| -o {suffix} | :: suffix indicating the first-person singular present indicative of verbs |
| o {letter} | :: letter: o |
| o {f} | :: Name of the letter O |
| o {conj} | :: or |
| o {conj} | :: either … or |
| O {letter} | :: The 16th letter of the Spanish alphabet |
| O {m} | :: abbreviation of oeste; west |
| -ó {suffix} | :: A suffix indicating the third-person singular indicative preterite of a verb |
| ó {conj} | :: obsolete spelling of o |
| ò {conj} | :: archaic spelling of o |
| OA {prop} | :: abbreviation of Oaxaca (Mexican state) |
| oasis {m} | :: oasis |
| Oaxaca {prop} {f} | :: Oaxaca (city) |
| Oaxaca {prop} {f} | :: Oaxaca (municipality) |
| Oaxaca {prop} {f} | :: Oaxaca (state) |
| oaxaqueño {adj} | :: Of or pertaining to the Mexican state of Oaxaca |
| Oaxtepec {prop} | :: Oaxtepec |
| Obadías {prop} {m} | :: Obadiah |
| Obama {prop} | :: surname |
| obamista {mf} | :: Obamist |
| obcecación {f} | :: stubbornness, willful blindness |
| obcecado {adj} | :: stubborn, obsessed |
| obcecar {vt} | :: to blind |
| obducción {f} | :: obduction |
| obedecer {vt} | :: to obey |
| obedecer {vi} | :: to be caused by |
| obedecible {adj} | :: obeyable |
| obediencia {f} | :: obedience |
| obediente {adj} | :: obedient |
| obediente {adj} | :: dutiful |
| obedientemente {adv} | :: obediently |
| obelisco {m} | :: obelisk |
| obenque {m} | :: shroud (rope or cable serving to support the mast) |
| Oberón {prop} {m} | :: Oberon |
| obertura {f} | :: opening, overture |
| obesa {f} | :: feminine noun of obeso |
| obesidad {f} | :: obesity (state of being obese) |
| obeso {adj} | :: obese |
| obeso {m} | :: An obese person |
| obesógeno {adj} | :: obesogenic |
| obestatina {f} | :: obestatin |
| obianguemista {m} | :: A supporter of Teodoro Obiang Nguema Mbasogo, president of Equatorial Guinea |
| obianguemista {adj} | :: Of or pertaining to Teodoro Obiang Nguema Mbasogo, president of Equatorial Guinea, or his politics |
| óbice {m} | :: obstacle |
| obispa {f} | :: female bishop; bishopess |
| obispado {m} | :: bishopric |
| obispal {adj} | :: episcopal |
| obispar {v} | :: to become a bishop |
| obispillo {m} | :: diminutive of obispo |
| obispo {m} | :: bishop |
| óbito {m} | :: death, passing |
| obituario {m} | :: obituary |
| objeción {f} | :: objection |
| objetable {adj} | :: objectionable |
| objetal {adj} | :: object |
| objetar {v} | :: to object |
| objetar {v} | :: to demur |
| objetivable {adj} | :: objective (based on facts) |
| objetivación {f} | :: objectivization |
| objetivador {adj} | :: objectifying |
| objetivador {m} | :: objectifier |
| objetivadora {f} | :: feminine noun of objetivador |
| objetivamente {adv} | :: objectively |
| objetivar {vt} | :: to objectify |
| objetividad {f} | :: objectivity |
| objetivismo {m} | :: objectivism |
| objetivista {mf} | :: objectivist |
| objetivo {adj} | :: objective |
| objetivo {m} | :: aim |
| objeto {m} | :: object |
| objeto {m} | :: objective; goal |
| objetor {m} | :: objector |
| objetor {m} | :: conscientious objector |
| objetora {f} | :: feminine noun of objetor |
| objetora de conciencia {f} | :: feminine noun of objetor de conciencia |
| objetor de conciencia {m} | :: conscientious objector |
| objeto volador no identificado {m} | :: unidentified flying object (all senses) |
| objetual {adj} | :: objectual |
| oblación {f} | :: oblation |
| oblanceoladas {adj} | :: oblanceolate |
| oblanceolado {adj} | :: oblanceolate |
| óblast {m} | :: oblast |
| oblato {m} | :: oblate |
| oblea {f} | :: wafer (biscuit or in electronics) |
| oblicuamente {adv} | :: obliquely |
| oblicuidad {f} | :: obliquity |
| oblicuo {adj} | :: oblique |
| obligación {f} | :: obligation |
| obligación {f} | :: bond |
| obligacionista {adj} | :: bonds |
| obligacionista {mf} | :: bondholder |
| obligadamente {adv} | :: obligatorily, necessarily, out of necessity |
| obligado {adj} | :: obliged, obligated |
| obligado {adj} | :: committed |
| obligado {adj} | :: coerced, forced |
| obligante {adj} | :: obligatory |
| obligar {v} | :: to force, to compel, to make (someone do something) |
| obligar {v} | :: to oblige, to obligate, to bind |
| obligar {vr} | :: to be bound, to be obliged, to be obligated |
| obligar {vr} | :: to force oneself or make oneself (do something) |
| obligar {vr} | :: to commit oneself |
| obligatoriamente {adv} | :: compulsorily |
| obligatoriedad {f} | :: obligatoriness |
| obligatorio {adj} | :: mandatory |
| obligatorio {adj} | :: obligatory |
| obliteración {f} | :: obliteration |
| obliterar {vt} | :: to obliterate, null, erase, annihilate, destroy completely, eradicate |
| oblongo {adj} | :: oblong |
| obnubilación {f} | :: dazzlement (inability to think clearly) |
| obnubilación {f} | :: a decreased level of alertness, characterised by the ability to respond correctly to complex tasks, but with difficulty; obtundation; obnubilation |
| obnubilar {v} | :: to daze |
| oboe {m} | :: oboe |
| oboísta {mf} | :: oboist |
| óbolo {m} | :: obolus |
| óbolo {m} | :: mite; couple of pennies |
| obovado {adj} | :: obovate |
| obovoide {adj} | :: obovoid |
| obra {f} | :: work, usually literary or artistic |
| obra {f} | :: construction |
| obra cinematográfica {f} | :: film or motion picture |
| obra de arte {f} | :: work of art, objet d'art |
| obrador {m} | :: workshop |
| obraje {m} | :: sawmill |
| obraje {m} | :: fabrication; making |
| obraje {m} | :: cloth factory |
| obrajera {f} | :: feminine noun of obrajero |
| obrajero {m} | :: foreman |
| obrajero {m} | :: pork butcher |
| obra maestra {f} | :: masterpiece |
| obra muerta {f} | :: topsides |
| obrante {adj} | :: indicating |
| obrar {v} | :: to act, to behave |
| obrar {v} | :: to work (to function correctly) |
| obregón {adj} | :: Obregonian |
| obregonista {adj} | :: of or related to Álvaro Obregón, Mexican revolutionary |
| obregonista {mf} | :: a supporter of, or soldier in the army of, Álvaro Obregón |
| obrera {f} | :: feminine noun of obrero |
| obreril {adj} | :: worker; work; labour |
| obrerismo {m} | :: trade unionism |
| obrerista {adj} | :: supporting the Labour movement |
| obrerista {mf} | :: A support of the Labour movement |
| obrero {m} | :: worker |
| obrilla {f} | :: diminutive of obra |
| obrita {f} | :: diminutive of obra |
| obscenamente {adv} | :: obscenely |
| obscenidad {f} | :: obscenity |
| obsceno {adj} | :: obscene |
| obscurecer {v} | :: archaic spelling of oscurecer |
| obscuridad {f} | :: alternative spelling of oscuridad |
| obscurísimo {adj} | :: superlative of obscuro |
| obscuro {adj} | :: alternative form of oscuro |
| obsecuencia {f} | :: obsequiousness |
| obsecuente {adj} | :: humble; obsequious |
| obsecuentemente {adv} | :: humbly; obsequiously |
| obsequiar {vt} | :: to present |
| obsequio {m} | :: gift, present, offering |
| obsequiosamente {adv} | :: obsequiously, deferentially |
| obsequioso {adj} | :: obsequious |
| observabilidad {f} | :: observability |
| observable {adj} | :: observable |
| observación {f} | :: observation |
| observacional {adj} | :: observational |
| observador {adj} | :: observant |
| observador {adj} | :: observing |
| observador {m} | :: observer |
| observadora {f} | :: feminine noun of observador |
| observancia {f} | :: observance |
| observante {adj} | :: observant |
| observar {vt} | :: to observe, to eye |
| observatorio {m} | :: observatory |
| obsesión {f} | :: obsession |
| obsesionado {adj} | :: obsessed |
| obsesionado {adj} | :: fixated |
| obsesionado {adj} | :: possessed |
| obsesionante {adj} | :: obsessing (causing obsession) |
| obsesionar {vt} | :: to obsess |
| obsesionar {vr} | :: to fixate, to fixate on (+con) |
| obsesionarse {v} | :: reflexive of obsesionar |
| obsesivamente {adv} | :: obsessively |
| obsesivo {adj} | :: obsessive |
| obseso {adj} | :: obsessed |
| obsidiana {f} | :: obsidian |
| obsipar {vi} | :: to become a bishop |
| obsolescencia {f} | :: obsolescence |
| obsolescente {adj} | :: obsolescent |
| obsoleto {adj} | :: obsolete, outdated |
| obstaculización {f} | :: obstruction, hindering, hampering |
| obstaculizador {adj} | :: getting in the way; blocking |
| obstaculizar {v} | :: to hinder, to hamper, to stymie, to get in the way, to impede, to block, to interfere with |
| obstáculo {m} | :: obstacle, hindrance, stumbling block, hurdle, barrier, impediment, obstruction, handicap, constraint, snag, bottleneck (something immaterial that hinders progress) |
| obstáculo {m} | :: obstacle (something physically hindering progress) |
| obstáculo {m} | :: hurdle |
| obstante {adj} | :: hindering |
| obstante {adj} | :: obstructing |
| obstar {vi} | :: to hinder |
| obstetra {mf} | :: obstetrician (physician who specialises in childbirth) |
| obstetricia {f} | :: obstetrics |
| obstétrico {adj} | :: obstetric (relating to obstetrics) |
| obstinación {f} | :: obstinacy |
| obstinadamente {adv} | :: obstinately, stubbornly |
| obstinado {adj} | :: stubborn, obstinate |
| obstinar {v} | :: to be obstinate |
| obstrucción {f} | :: obstruction |
| obstruccionismo {m} | :: obstructionism |
| obstruccionista {adj} | :: obstructionist |
| obstruccionista {mf} | :: obstructionist |
| obstructivo {adj} | :: obstructive |
| obstruir {v} | :: to obstruct |
| obstruir {v} | :: to clog, to block |
| obstruir {vr} | :: to clog, become clogged |
| obstruyente {adj} | :: obstruent |
| obtención {f} | :: acquisition, obtaining |
| obtener {v} | :: to obtain |
| obtenible {adj} | :: obtainable |
| obtentor {m} | :: breeder (of plants) |
| obturación {f} | :: sealing, covering (of an opening or aperture) |
| obturador {adj} | :: obturator (relating to the obturator of the hip) |
| obturador {m} | :: shutter |
| obturar {v} | :: to block; to clog |
| obtusamente {adv} | :: obtusely |
| obtuso {adj} | :: obtuse (blunt) |
| obtuso {adj} | :: obtuse (intellectually dull) |
| obtuso {adj} | :: obtuse |
| obús {m} | :: howitzer |
| obvención {f} | :: obvention |
| obviamente {adv} | :: obviously |
| obviar {v} | :: to avoid; to get round; to get out of |
| obviar {v} | :: to obviate |
| obviedad {f} | :: obviousness |
| obviedad {f} | :: no-brainer, something that is obvious |
| obvio {adj} | :: obvious, clear |
| Oc {interj} | :: K., OK |
| oca {f} | :: goose, especially of the domestic European variety and with a white or grey plumage |
| oca {f} | :: Oxalis tuberosa, an edible tuber |
| oca común {f} | :: wild goose (Ansar ansar) |
| Ocampo {prop} {m} | :: surname |
| ocapi {m} | :: alternative spelling of okapi |
| ocarina {f} | :: ocarina |
| ocasión {f} | :: occasion |
| ocasional {adj} | :: occasional |
| ocasionalmente {adv} | :: occasionally |
| ocasionar {v} | :: to cause |
| ocaso {m} | :: dusk, sunset |
| ocaso {m} | :: west |
| ocaso {m} | :: decline |
| occidental {adj} | :: western |
| occidental {mf} | :: westerner |
| occidentalización {f} | :: westernization |
| occidentalizar {v} | :: to westernize |
| occidente {m} | :: west, occident |
| occiduo {adj} | :: Western, occidental |
| occipital {adj} | :: occipital |
| occipital {m} | :: occipital bone |
| occipital {m} | :: (muscle) occipitalis |
| occipital {m} | :: occipital lobe |
| occipito- {prefix} | :: occipito- |
| occipitofrontal {adj} | :: occipitofrontal |
| occipitofrontal {m} | :: occipitofrontalis, occipitofrontalis muscle |
| occipitotemporal {adj} | :: occipitotemporal |
| occipucio {m} | :: occiput |
| occisa {f} | :: feminine noun of occiso |
| occiso {m} | :: deceased person, victim |
| occitana {f} | :: feminine noun of occitano |
| occitano {adj} | :: Of or relating to Occitania or the Occitan language |
| occitano {adj} | :: Of or relating to Occitanie |
| occitano {m} | :: Person from or inhabitant of historical Occitania |
| occitano {m} | :: Person from or inhabitant of contemporary Occitanie |
| occitano {m} | :: Occitan (the Romance language) |
| oceanario {m} | :: oceanarium |
| Oceanía {prop} {f} | :: Oceania |
| oceánico {adj} | :: oceanic |
| oceánide {f} | :: Oceanid |
| océano {m} | :: ocean |
| océano Antártico {prop} {m} | :: océano Antártico (ocean) |
| océano Ártico {prop} {m} | :: océano Ártico (ocean) |
| océano Atlántico {prop} {m} | :: Atlantic Ocean (the ocean lying between the Americas to the west and Europe and Africa to the east) |
| oceanografía {f} | :: oceanography |
| oceanográfico {adj} | :: oceanographic |
| oceanógrafo {m} | :: oceanographer |
| océano Índico {prop} {m} | :: Indian Ocean |
| oceanología {f} | :: oceanography |
| océano Pacífico {prop} {m} | :: Pacific Ocean |
| ocelado {adj} | :: ocellated |
| ocelo {m} | :: eye (mark on an animal resembling an eye) |
| ocelo {m} | :: the eye of arthropods |
| ocelote {m} | :: ocelot |
| ochavado {adj} | :: octagonal |
| ochavo {adj} | :: eighth |
| ochavo {m} | :: eighth |
| ochavo {m} | :: a former coin of Spain (17th to 19th century), equivalent to two maravedís |
| ochavo {m} | :: eight-day party |
| ochavón {m} | :: octoroon |
| ochavona {f} | :: feminine noun of ochavón |
| ochenta {num} | :: eighty |
| ochentas {mp} | :: eighties; 1980s |
| ochentavo {adj} | :: eightieth |
| ochenta y cinco {num} | :: eighty-five |
| ochenta y cuatro {num} | :: eighty-four |
| ochenta y dos {num} | :: eighty-two |
| ochenta y nueve {num} | :: eighty-nine |
| ochenta y ocho {num} | :: eighty-eight |
| ochenta y seis {num} | :: eighty-six |
| ochenta y siete {num} | :: eighty-seven |
| ochenta y tres {num} | :: eighty-three |
| ochenta y uno {num} | :: eighty-one |
| ochentera {f} | :: feminine noun of ochentero |
| ochentero {adj} | :: 1980s |
| ochentero {m} | :: someone born in the 1980s |
| ochentista {adj} | :: eighties (relating to the 1980s, 1880s etc.) |
| ocho {num} | :: eight |
| ocho {m} | :: eight |
| Ochoa {prop} | :: surname of Basque origin |
| ochocentista {mf} | :: 800 metres runner |
| ochocientos {num} | :: eight hundred |
| ochomil {m} | :: eight-thousander |
| ocio {m} | :: leisure, recreation, spare time |
| ocio {m} | :: diversion |
| ociosamente {adv} | :: idly |
| ociosidad {f} | :: idleness, inactivity |
| ocioso {adj} | :: idle |
| ocioso {adj} | :: useless |
| ocioso {m} | :: idler |
| ocla {f} | :: seaweed |
| oclocracia {f} | :: ochlocracy |
| oclocrático {adj} | :: ochlocratic |
| ocluir {v} | :: to occlude |
| oclusal {adj} | :: occlusal |
| oclusión {f} | :: occlusion |
| oclusión {f} | :: obstruction |
| oclusión {f} | :: occlusion |
| oclusión {f} | :: occluded front |
| oclusivo {adj} | :: occlusive |
| oclusivo {adj} | :: plosive |
| oclusivo {m} | :: stop; plosive |
| Ocon {prop} | :: Ocon; surname |
| ocotal {m} | :: A place where pine trees grow; pinery |
| ocote {m} | :: Any of several aromatic, resinous pine species native to Mexico and Central America, especially the Montezuma pine (Pinus montezumae) |
| ocote {m} | :: pine torch |
| ocote {m} | :: anus |
| Ocotepeque {prop} | :: Ocotepeque (city) |
| Ocotepeque {prop} | :: Ocotepeque (department) |
| ocotillo {m} | :: ocotillo |
| ocotoso {adj} | :: full of pine resin |
| ocra {m} | :: okra, Abelmoschus esculentus |
| ocráceo {adj} | :: ochre-colored |
| ocre {m} | :: ochre |
| ócrea {f} | :: ocrea |
| Ocros {prop} | :: Ocros (province) |
| octaédrico {adj} | :: octahedral |
| octaedro {m} | :: octahedron |
| octagésimo {adj} | :: eightieth |
| octagonal {adj} | :: octagonal |
| octágono {adj} | :: alternative form of octógono |
| octágono {m} | :: alternative form of octógono |
| octanaje {m} | :: octane rating |
| octano {m} | :: octane |
| octanoato {m} | :: octanoate |
| octava {f} | :: octave |
| octava {f} | :: octave (period of eight days) |
| octavilla {f} | :: Piece of paper of size 11 × 16 cm, half that of a cuartilla |
| octavilla {f} | :: leaflet, flyer |
| octavilla {f} | :: A poem of eight lines consisting of two redondillas which share rhymes |
| Octavio {prop} {m} | :: given name |
| octavo {adj} | :: eighth |
| octavo {m} | :: eighth |
| octeto {m} | :: octet |
| octillizo {m} | :: octuplet |
| octillón {num} | :: 1048 |
| octingentésimo {adj} | :: eight hundredth |
| octocoral {m} | :: octocoral |
| octodecágono {m} | :: octadecagon |
| octogenario {adj} | :: octogenarian |
| octogenario {m} | :: octogenarian |
| octogésimo {adj} | :: eightieth |
| octogésimo {m} | :: eightieth |
| octogonal {adj} | :: alternative form of octagonal |
| octógono {adj} | :: octagonal |
| octógono {m} | :: octagon |
| octopamina {f} | :: octopamine |
| octopoda {f} | :: octopod |
| octópodo {adj} | :: octopod (eight-legged) |
| octópodo {m} | :: octopod |
| octosilábico {adj} | :: octosyllabic |
| octosílabo {adj} | :: octosyllabic |
| octreótido {m} | :: octreotide |
| octubre {m} | :: October |
| octubrino {adj} | :: of or pertaining to a festivity held in October, especially the fiestas octubrinas in Guayaquil, Ecuador |
| óctuple {adj} | :: eightfold, octuple |
| ocular {adj} | :: ocular |
| ocular {m} | :: eyepiece, eyeglass |
| ocularmente {adv} | :: ocularly, visually, through the use of sight |
| oculista {mf} | :: optician |
| oculo- {prefix} | :: oculo- |
| óculo {m} | :: oculus (round or oval window) |
| oculomotor {adj} | :: oculomotor |
| ocultación {f} | :: occultation |
| ocultamente {adv} | :: occultly |
| ocultamiento {m} | :: hiding, concealment |
| ocultar {vt} | :: to hide, to conceal |
| ocultar {vt} | :: to obscure |
| ocultarse {v} | :: to hide |
| ocultarse {v} | :: to be hidden |
| ocultismo {m} | :: occultism |
| ocultista {mf} | :: occultist |
| oculto {adj} | :: hidden, secret |
| oculto {adj} | :: occult |
| ocumo {m} | :: arrowleaf elephant ear; Xanthosoma sagittifolium |
| ocupación {f} | :: occupation (activity or task with which one occupies oneself) |
| ocupación {f} | :: occupation (the act of possessing a place) |
| ocupación {f} | :: occupation (the control of a region by a hostile army) |
| ocupacional {adj} | :: occupational |
| ocupadísimo {adj} | :: superlative of ocupado |
| ocupado {adj} | :: busy |
| ocupado {adj} | :: occupied |
| ocupante {adj} | :: occupying |
| ocupante {mf} | :: occupant |
| ocupar {vt} | :: to occupy (to take or use space) |
| ocupar {vt} | :: to occupy (to fill or hold a position) |
| ocupar {vt} | :: to occupy, to take up (time or space) |
| ocupar {vt} | :: to occupy, to reside in |
| ocupar {vt} | :: to employ (to hire to work for a job) |
| ocupar {vt} | :: to use |
| ocupar {vti} | :: to need |
| ocupar {vr} | :: to look after (to watch or protect a person) |
| ocupar {vr} | :: to take on (a responsibility) |
| ocurrencia {f} | :: occurrence |
| ocurrencia {f} | :: witticism |
| ocurrente {adj} | :: occurrent |
| ocurrente {adj} | :: saying, meaning, showing or doing unexpected things |
| ocurrir {v} | :: to happen, to occur |
| ocurrir {vp} | :: to come up with |
| oda {f} | :: ode |
| odalisca {f} | :: odalisque |
| odeón {m} | :: odeon |
| Óder {prop} {m} | :: Oder |
| Odesa {prop} {f} | :: Odesa (city) |
| Odessa {prop} {f} | :: alternative form of Odesa |
| odiador {m} | :: hater (one who hates) |
| odiadora {f} | :: feminine noun of odiador |
| odiar {v} | :: to hate, to loathe |
| odiarse {v} | :: reflexive of odiar |
| Odín {prop} {m} | :: Odin |
| odinismo {prop} {m} | :: Odinism |
| odio {m} | :: hate, hatred, loathing (strong aversion; intense dislike) |
| odio {m} | :: odium (hatred coupled with disgust) |
| odiosamente {adv} | :: hatefully |
| odiosidad {f} | :: hate; hatefulness |
| odiosísimo {adj} | :: superlative of odioso |
| odioso {adj} | :: hateful, odious |
| odisea {f} | :: odyssey |
| Odisea {prop} {f} | :: Odyssey |
| odiseico {adj} | :: Odyssean |
| Odiseo {prop} {m} | :: Odysseus |
| odómetro {m} | :: odometer |
| odonato {m} | :: odonate |
| odontalgia {f} | :: toothache |
| odontálgico {adj} | :: odontalgic |
| odontoblasto {m} | :: odontoblast |
| odontoceto {m} | :: toothed whale |
| odontoide {adj} | :: odontoid |
| odontoide {m} | :: odontoid |
| odontóloga {f} | :: feminine noun of odontólogo |
| odontología {f} | :: odontology; dentistry |
| odontológico {adj} | :: odontological, dental |
| odontólogo {m} | :: odontologist; dentist |
| odorífero {adj} | :: odorous, odoriferous |
| odorífero {adj} | :: smelly |
| odre {m} | :: goatskin, goatskin wine bag |
| odrisia {f} | :: feminine noun of odrisio |
| odrisio {adj} | :: Odrysian |
| odrisio {m} | :: Odrysian |
| OEA {prop} | :: initialism of Organización de los Estados Americanos |
| oenegé {f} | :: NGO, non-governmental organization |
| oesnoroeste {m} | :: west-northwest |
| oesnorueste {m} | :: west-northwest |
| oeste {m} | :: west |
| oestenoroeste {m} | :: west-northwest |
| oesudoeste {m} | :: west-southwest |
| oesudueste {m} | :: west-southwest |
| oesuroeste {m} | :: west-southwest |
| Ofelia {prop} {f} | :: given name |
| ofenda {f} | :: insult |
| ofender {v} | :: to offend |
| ofender {vr} | :: to take umbrage, take offense |
| ofenderse {v} | :: reflexive of ofender |
| ofendidita {f} | :: feminine noun of ofendidito |
| ofendidito {m} | :: snowflake (somebody who is easily offended, especially by politically incorrect views) |
| ofendido {adj} | :: offended |
| ofendido {adj} | :: aggrieved, injured |
| ofensa {f} | :: insult |
| ofensa {f} | :: offense |
| ofensiva {f} | :: offensive |
| ofensivamente {adv} | :: offensively |
| ofensividad {f} | :: offensive (attacking play) |
| ofensivo {adj} | :: offensive |
| ofensor {adj} | :: offending |
| ofensor {m} | :: offender |
| ofensora {f} | :: feminine noun of ofensor |
| oferente {m} | :: provider (of a service) |
| oferta {f} | :: offer (a proposal that has been made) |
| oferta {f} | :: offer (something put forth, bid, proffered or tendered) |
| oferta {f} | :: supply |
| oferta {f} | :: deal, sale, bargain |
| ofertante {mf} | :: bidder |
| ofertar {vt} | :: to offer |
| ofertón {m} | :: super special offer |
| ofertorio {m} | :: offertory |
| off {adj} | :: off-screen |
| off {adj} | :: off-Broadway; minor-league; small-time |
| offline {adj} | :: offline |
| offshore {adj} | :: offshore |
| offshore {f} | :: offshore, offshore company |
| offside {m} | :: An offside position |
| ofi {f} | :: office |
| oficentro {m} | :: head office |
| oficial {adj} | :: official |
| oficial {mf} | :: officer, official |
| oficial {mf} | :: clerk, functionary |
| oficial {mf} | :: office worker, skilled workman |
| oficial {mf} | :: artisan |
| oficial {mf} | :: butcher |
| oficial {mf} | :: executioner |
| oficial {mf} | :: journeyman |
| oficialía {f} | :: officership |
| oficialidad {f} | :: officiality |
| oficialillo {m} | :: diminutive of oficial |
| oficialismo {m} | :: ruling party |
| oficialista {adj} | :: pro-government |
| oficialista {mf} | :: pro-government supporter |
| oficialización {f} | :: officialisation |
| oficializar {vt} | :: to make official |
| oficialmente {adv} | :: officially |
| oficiante {mf} | :: officiant |
| oficiar {v} | :: to officiate |
| oficina {f} | :: office (a room used for non-manual work) |
| oficina {f} | :: workshop |
| oficina {f} | :: laboratory (in a pharmacy) |
| oficinal {adj} | :: officinal |
| oficinista {mf} | :: office worker |
| oficinita {f} | :: diminutive of oficina |
| oficio {m} | :: profession, occupation |
| oficio {m} | :: office |
| oficiosamente {adv} | :: unofficially |
| oficiosamente {adv} | :: officiously |
| oficiosidad {f} | :: officiousness |
| oficiosidad {f} | :: unofficialness |
| oficioso {adj} | :: officious |
| oficioso {adj} | :: unofficial |
| ofidio {adj} | :: ophidian |
| ofidio {m} | :: ophidian |
| ofimática {f} | :: office information technology |
| ofimático {adj} | :: office; stationery |
| ofiolita {f} | :: ophiolite |
| Ofiuco {prop} {m} | :: Ophiuchus |
| ofiura {f} | :: brittlestar |
| ofiuroideo {m} | :: brittle star, ophiuroid (echinoderm) |
| o follamos todos, o la puta al río {phrase} | :: everyone should receive the same or be held by the same standard |
| ofrecer {v} | :: to offer |
| ofrecerse {v} | :: reflexive of ofrecer |
| ofrecido {adj} | :: easy (a person who readily consents to sexual activity) |
| ofrecimiento {m} | :: offering, offer |
| ofrenda {f} | :: offering, sacrifice |
| ofrendar {v} | :: to offer as a gift, to sacrifice |
| ófset {m} | :: offset (printing method) |
| oftálmico {adj} | :: ophthalmic |
| oftalmóloga {f} | :: feminine noun of oftalmólogo |
| oftalmología {f} | :: ophthalmology |
| oftalmológico {adj} | :: ophthalmological |
| oftalmólogo {m} | :: ophthalmologist |
| oftalmopatía {f} | :: ophthalmopathy |
| oftalmoscopia {f} | :: ophthalmoscopy |
| oftalmoscopía {f} | :: alternative spelling of oftalmoscopia |
| oftalmoscopio {m} | :: ophthalmoscope |
| ofuscación {f} | :: bewilderment, confusion |
| ofuscación {f} | :: blurring |
| ofuscación {f} | :: obfuscation (lack of clarity) |
| ofuscar {v} | :: to obfuscate |
| ofuscar {v} | :: to confuse |
| ofuscar {v} | :: to wow, astonish |
| oganesón {m} | :: oganesson |
| ogaño {adv} | :: rare spelling of hogaño |
| Ogawa {prop} | :: surname |
| oglala {mf} | :: Oglala Lakota tribe member |
| OGM {m} | :: GMO |
| ogresa {f} | :: ogress |
| ogro {m} | :: ogre |
| ogro {m} | :: fiend, brute |
| ogro {m} | :: crank |
| Ogún {prop} {m} | :: Ogun (orisha in Yoruba religion) |
| oh {interj} | :: oh (expression of awe, surprise, pain or realization) |
| Ohio {prop} {m} | :: Ohio (state) |
| ohioana {f} | :: feminine noun of ohioano |
| ohioano {adj} | :: Ohioan |
| ohioano {m} | :: Ohioan |
| ohm {m} | :: alternative form of ohmio |
| ohmio {m} | :: ohm |
| oíble {adj} | :: hearable |
| -oico {suffix} | :: -oic |
| -oide {suffix} | :: -oid |
| oídio {m} | :: powdery mildew |
| oidito {m} | :: diminutive of oído |
| oído {m} | :: hearing |
| oído {m} | :: ear (especially the inner parts) |
| oído cocina {phrase} | :: got it; roger that |
| oidor {m} | :: judge, magistrate for a royal audiency |
| oidor {m} | :: hearer |
| oidora {f} | :: feminine noun of oidor |
| oiga {interj} | :: hey |
| oiga {interj} | :: excuse me (said as a request for an individual's attention) |
| oír {vi} | :: to hear |
| oír {vt} | :: to hear (passively perceive a sound) |
| oír {vt} | :: to listen to (actively pay attention to a sound or a person speaking) |
| oír {vt} | :: to heed; to listen to |
| oirate {adj} | :: Oirat |
| oirate {mf} | :: Oirat |
| oír hablar de {v} | :: to hear of, to hear about |
| oírse {v} | :: reflexive of oír |
| ojal {m} | :: buttonhole, eyelet |
| ojal {m} | :: loop |
| ojalá {adv} | :: hopefully (I hope that) |
| ojalá {adv} | :: if only |
| ojalá {interj} | :: I hope so; let’s hope so |
| ojalá {interj} | :: God willing |
| ojalá {interj} | :: I hope (that); let’s hope (that) (followed by present subjunctive) |
| ojalá {interj} | :: God grant (that) (followed by present subjunctive) |
| ojalá {interj} | :: I wish (when used to refer to past events) |
| ojazo {m} | :: augmentative of ojo |
| ojeada {f} | :: glance (brief look) |
| ojeador {m} | :: scout, talent scout |
| ojeador {m} | :: beater |
| ojeadora {f} | :: feminine noun of ojeador |
| ojear {v} | :: to glance |
| ojear {v} | :: to ogle |
| ojear {v} | :: to put the evil eye (on somebody), to curse by looking with malicious intents |
| ojera {f} | :: coon eyes |
| ojera {f} | :: ring or bag under the eye |
| ojeriza {f} | :: spite, ill feeling |
| ojeriza {f} | :: grudge |
| ojeroso {adj} | :: coon-eyed |
| ojerudo {adj} | :: big-eared |
| ojete {m} | :: eyelet, grommet |
| ojete {m} | :: eye hole |
| ojete {m} | :: anus |
| ojete {m} | :: anal orifice |
| ojete {m} | :: wicked, mean, bad person |
| ojete {m} | :: asshole |
| ojialegre {adj} | :: laughing-eyed |
| ojiazul {adj} | :: blue-eyed |
| ojibwa {adj} | :: Ojibwe |
| ojibwa {mf} | :: Ojibwe |
| ojibwe {m} | :: Ojibwe |
| ojigarzo {adj} | :: blue-eyed |
| ojijunto {adj} | :: Having eyes very close to each other |
| ojillo {m} | :: diminutive of ojo |
| ojimoreno {adj} | :: dark-eyed, brown-eyed |
| ojinegro {adj} | :: dark-eyed, black-eyed |
| ojiplático {adj} | :: saucer-eyed, wide-eyed |
| ojito {m} | :: diminutive of ojo |
| ojituerto {adj} | :: cross-eyed, cock-eyed |
| ojiva {f} | :: ogive |
| ojiva {f} | :: warhead |
| ojival {adj} | :: ogival |
| ojiverde {adj} | :: green-eyed |
| ojizarco {adj} | :: blue-eyed |
| ojo {m} | :: eye |
| ojo {m} | :: keyhole |
| ojo {m} | :: caution |
| ojo {interj} | :: look! watch out! |
| ojo al dato {phrase} | :: get this (used to emphasise something following in the text) |
| ojo de agua {m} | :: spring (place where water emerges from the ground) |
| ojo de buey {m} | :: bullseye (glass) |
| ojón {m} | :: Someone with big or very open eyes |
| ojón {m} | :: A particular fish, having very large eyes |
| ojón {adj} | :: Having big or very open eyes |
| ojo por ojo, diente por diente {phrase} | :: eye for an eye, a tooth for a tooth |
| ojoso {adj} | :: holey (full of holes) |
| ojos que no ven, corazón que no siente {proverb} | :: out of sight, out of mind |
| ojota {f} | :: flip-flop (artisanal type) |
| ojote {m} | :: augmentative of ojo |
| ojudo {adj} | :: having big eyes |
| ojuelos {mp} | :: bright eyes |
| ojuelos {mp} | :: spectacles |
| ojushte {m} | :: breadnut, Maya nut (Brosimum alicastrum) |
| okapi {m} | :: okapi |
| okay {interj} | :: OK (endorsement; approval) |
| okey {interj} | :: okay, OK |
| okey {m} | :: okey (game) |
| okinawense {adj} | :: Okinawan |
| okinawense {mf} | :: Okinawan |
| okinawense {m} | :: Okinawan |
| okis {interj} | :: okay; okey-dokey |
| Oklahoma {prop} {f} | :: Oklahoma |
| oklahomense {adj} | :: Oklahoman |
| oklahomense {m} | :: Oklahoman |
| okra {f} | :: okra |
| okume {m} | :: The wood of the tree Aucoumea klaineana |
| okupa {mf} | :: squatter |
| okupación {f} | :: squatting |
| okupación {f} | :: squat |
| okupado {adj} | :: squatted |
| okupar {v} | :: to squat |
| ola {f} | :: wave (on the surface of a liquid) |
| ola {f} | :: sudden appearance of a large amount of something |
| ola {f} | :: Mexican wave |
| ola de calor {f} | :: heat wave, hot spell |
| Olano {prop} {m} | :: surname |
| olanzapina {f} | :: olanzapine |
| Olarte {prop} | :: surname |
| olcade {adj} | :: of or relating the Olcades |
| olcade {mf} | :: A member of the Olcades |
| olé {interj} | :: An expression of encouragement and approval |
| oleada {f} | :: wave |
| oleaginoso {adj} | :: oleaginous (oily) |
| oleaginoso {adj} | :: producing oily fruit |
| oleaje {m} | :: surf |
| olear {v} | :: to oil up |
| olear {v} | :: to encourage; spur on (with cries of olé) |
| oleato {m} | :: oleate |
| olécranon {m} | :: olecranon |
| olefina {f} | :: olefin |
| oleico {adj} | :: oleic |
| oleícola {adj} | :: olive oil |
| oleicultura {f} | :: olivegrowing and olive oil production |
| oleífero {adj} | :: oleiferous |
| Oleksandr {prop} {m} | :: Oleksandr (transliteration of Олександр) |
| Olenekiense {prop} | :: Olenekian |
| óleo {m} | :: oil (liquid fat) |
| óleo {m} | :: oil painting (a painting done with oil paints) |
| óleo {m} | :: oil painting (the art of painting with oil paints) |
| oleoducto {m} | :: oil pipeline |
| oleoplasto {m} | :: oleoplast |
| oleoso {adj} | :: oily |
| oler {vt} | :: to smell (perceive by scent) |
| oler {vt} | :: to pry into, investigate (make inquiries where one is not welcome) |
| oler {vt} | :: to smell out, uncover (find out by prying) |
| oler {vi} | :: to smell (emit an odour) |
| oler {vr} | :: to suspect, have a hunch |
| oler a chotuno {v} | :: to stink to high heaven |
| oler a pólvora {v} | :: to smell fishy; to seem as though there's something fishy going on |
| olerse la tostada {v} | :: to smell a rat |
| oleuropeína {f} | :: oleuropein |
| olfatear {vt} | :: to sniff |
| olfativo {adj} | :: olfactory |
| olfato {m} | :: smell, olfaction, sense of smell (sense that detects smells) |
| olfatorio {adj} | :: olfactory |
| Olga {prop} {f} | :: given name |
| olíbano {m} | :: frankincense |
| oliente {adj} | :: smelling, smelly |
| oligarca {mf} | :: oligarch (a member of an oligarchy) |
| oligarquía {f} | :: oligarchy |
| oligárquico {adj} | :: oligarchic (of or relating to oligarchy) |
| oligarquización {f} | :: oligarchization |
| oligisto {m} | :: hematite |
| oligo- {prefix} | :: oligo- |
| oligoartritis {f} | :: oligoarthritis |
| oligodendrocito {m} | :: oligodendrocyte |
| oligoelemento {m} | :: trace element |
| oligomerización {f} | :: oligomerization |
| oligómero {m} | :: oligomer |
| oligonucleótido {m} | :: oligonucleotide |
| oligopólico {adj} | :: oligopolistic |
| oligopolio {m} | :: oligopoly |
| oligopolístico {adj} | :: oligopolistic |
| oligopolización {f} | :: oligopolization |
| oligoqueto {m} | :: oligochaete |
| oligosacárido {m} | :: oligosaccharide |
| oligotrófico {adj} | :: oligotrophic |
| oligozoospermia {f} | :: oligozoospermia |
| oliguria {f} | :: oliguria |
| oligúrico {adj} | :: oliguric |
| olimpera {f} | :: feminine noun of olimpero |
| olimpero {adj} | :: of, from, or supporting Club Olimpia, a football team from Paraguay |
| olimpero {m} | :: Someone conencted to Club Olimpia, as a player, coach, fan etc |
| Olimpia {prop} {f} | :: Olimpia (ancient city) |
| olimpiada {f} | :: olympiad |
| olimpíada {f} | :: olympiad |
| olimpíada {f} | :: Olympics |
| olímpicamente {adv} | :: completely, utterly, epically |
| olímpico {adj} | :: Olympic (pertaining to Mount Olympus) |
| olímpico {adj} | :: Olympic (pertaining to the Olympics) |
| olímpico {adj} | :: utter, total, epic |
| olímpico {m} | :: Olympian |
| olimpismo {m} | :: Olympism |
| olimpista {adj} | :: Of or associated with Club Olimpia |
| olimpista {mf} | :: Someone associated with Club Olimpia, as a fan, player, coach etc |
| olimpo {m} | :: hall of fame |
| Olimpo {prop} {m} | :: Olimpo (mountain) |
| Olimpo {prop} {m} | :: Olympus (house of the Gods) |
| Olimpo {prop} {m} | :: Olympus (place for priviledged people) |
| olingo {m} | :: olingo |
| olinguito {m} | :: olinguito |
| olio {m} | :: alternative form of óleo |
| oliscar {v} | :: To sniff at (carefully) |
| oliscar {v} | :: to sniff out (information) |
| oliscar {v} | :: to stink; reek; ming; pong |
| olisquear {v} | :: to sniff at |
| oliva {f} | :: olive (fruit) |
| oliva {f} | :: olive tree |
| oliva {f} | :: owl |
| Oliva {prop} | :: surname |
| oliváceo {adj} | :: olive; olive green |
| oliváceo {adj} | :: olive |
| olivar {adj} | :: olive color |
| olivar {m} | :: olive grove |
| Olivar {prop} {m} | :: Olivar (city) |
| olivarense {adj} | :: from the Chilean city of Olivar |
| olivarero {adj} | :: olive |
| olivarero {m} | :: olivegrower |
| Olivares {prop} | :: surname |
| olivarino {adj} | :: from the Chilean city of Olivar |
| Olivenza {prop} {f} | :: Olivenza (city) |
| Olivera {prop} {f} | :: surname |
| Oliverio {prop} {m} | :: given name |
| olívico {adj} | :: From Vigo, Spain |
| olívico {m} | :: Someone from Vigo, Spain |
| olivillo {m} | :: Any of a number of plants |
| olivillo {m} | :: Phillyrea latifolia |
| olivillo {m} | :: Aextoxicon punctatum |
| olivillo {m} | :: Kageneckia angustifolia |
| olivillo {m} | :: Kageneckia angustifolia |
| olivino {m} | :: olivine (family of minerals) |
| olivo {m} | :: olive tree |
| olla {f} | :: pot, pan; kettle (vessel used for cooking food) |
| olla {f} | :: stew (dish cooked by stewing) |
| olla {f} | :: pool, whirlpool |
| olla a presión {f} | :: pressure cooker |
| ollada {f} | :: the content of a pot |
| olla de presión {f} | :: pressure cooker |
| olla express {f} | :: pressure cooker |
| olla podrida {f} | :: olla podrida (stew of seasoned meat and vegetables) |
| ollero {m} | :: maker or seller of pots, pans, kettles, etc. or other clay objects, potter |
| ollita {f} | :: diminutive of olla |
| olluco {m} | :: Ullucus tuberosus, the ulluco |
| olmeca {adj} | :: Olmec |
| olmeca {mf} | :: Olmec |
| Olmedo {prop} | :: surname |
| olmo {m} | :: elm |
| ológrafo {adj} | :: holographic (handwritten by a single writer) |
| olor {m} | :: smell, scent, odor |
| olor {m} | :: whiff (i.e. hint) |
| olorcillo {m} | :: whiff (faint smell) |
| olorcito {m} | :: diminutive of olor, little smell |
| olorcito {m} | :: stench, malodor |
| olorosito {m} | :: diminutive of olor |
| oloroso {adj} | :: sweet (having a pleasant smell) |
| oloroso {adj} | :: odorous |
| oloroso {m} | :: oloroso |
| olote {m} | :: corncob |
| olotera {f} | :: olotera |
| Oltenia {prop} {f} | :: Oltenia (historical region) |
| olvidable {adj} | :: forgettable |
| olvidadizo {adj} | :: forgetful |
| olvidado {adj} | :: forgotten |
| olvidar {v} | :: to forget; to elude, escape (be forgotten by) |
| olvidar {vr} | :: To forget |
| olvidar {vr} | :: To leave behind |
| olvido {m} | :: oblivion |
| olvido {m} | :: forgetting, ending of memory |
| olvido {m} | :: Idea meaning an abstract place to put what is wanted to be forgotten, as in the collocation consign to oblivion |
| -oma {suffix} | :: -oma |
| omaguacas {mp} | :: Omaguacas |
| Omán {prop} | :: Omán (country) |
| omaní {adj} | :: Omani |
| omaní {mf} | :: Omani |
| Omar {prop} {m} | :: given name |
| omaso {m} | :: omasum |
| omatidio {m} | :: ommatidium |
| ombligo {m} | :: navel, belly button (remnant of umbilical cord) |
| ombliguismo {m} | :: navel-gazing |
| ombliguito {m} | :: diminutive of ombligo |
| ombre {m} | :: obsolete spelling of hombre |
| ombrófilo {adj} | :: ombrophilous |
| ombrotrófico {adj} | :: ombrotrophic |
| ombú {m} | :: A large evergreen tree native to the Pampa of South America, Phytolacca dioica |
| ombudsman {mf} | :: ombudsman |
| OMC {prop} {f} | :: initialism of Organización Mundial de Comercio (WTO (World Trade Organization)) |
| ome {n} | :: man |
| omega {f} | :: omega; the Greek letter Ω, ω |
| omental {adj} | :: omental |
| omento {m} | :: omentum |
| omeprazol {m} | :: omeprazole |
| omeya {m} | :: Umayyad |
| omeya {adj} | :: Umayyad |
| OMG {n} | :: alternative form of OGM |
| OMI {prop} {f} | :: initialism of Organización Marítima Internacional (IMO (International Maritime Organization)) |
| ómicron {f} | :: omicron; the Greek letter Ο, ο |
| ominar {vt} | :: to omen |
| ominosamente {adv} | :: ominously |
| ominoso {adj} | :: abominable, despicable |
| ominoso {adj} | :: ominous |
| omisible {adj} | :: omissible |
| omisión {f} | :: omission |
| omisivo {adj} | :: omissive |
| omiso {adj} | :: neglectful, careless |
| omitir {vt} | :: to omit |
| omni- {prefix} | :: omni-; bad; badly |
| ómnibus {m} | :: Public bus |
| omnicanalidad {f} | :: omnichanneling |
| omnidireccional {adj} | :: omnidirectional |
| omnímodo {adj} | :: all-embracing, all-enclosing |
| omnipotencia {f} | :: omnipotence (unlimited power) |
| omnipotente {adj} | :: omnipotent |
| omnipresencia {f} | :: omnipresence |
| omnipresente {adj} | :: omnipresent |
| omnisapiente {adj} | :: omniscient |
| omnisciencia {f} | :: omniscience |
| omnisciente {adj} | :: omniscient |
| omniteísmo {m} | :: omnitheism |
| omnitemporal {adj} | :: omnitemporal |
| omnívoro {adj} | :: omnivorous |
| omnívoro {m} | :: omnivore |
| omo- {prefix} | :: omo- |
| omohioideo {adj} | :: omohyoidean |
| omohioideo {m} | :: omohyoid |
| omoplato {m} | :: alternative form of omóplato |
| omóplato {m} | :: scapula |
| omótico {adj} | :: Omotic |
| OMS {prop} {f} | :: initialism of Organización Mundial de la Salud |
| -on {suffix} | :: obsolete spelling of -ón |
| -ón {suffix} | :: emphasizes that something is large, grand, intense, important |
| -ón {suffix} | :: indicates that someone or something has large attributes, or larger than usual |
| -ón {suffix} | :: for few cases, indicates that something is used wrong or frequently (forming adjectives and or nouns) |
| -ón {suffix} | :: emphasizes contempt for subject |
| -ón {suffix} | :: forms a noun from a different (usually larger) but related or similar one |
| -ón {suffix} | :: suffixed to verbs, doing something repeatedly or often |
| -ón {suffix} | :: for very few cases, indicates small size of or a lack of something (such as an ironic augmentative) |
| -ón {suffix} | :: ending of every chemical element belonging only to the noble gases group, except helium (in spanish helio) |
| -ón {suffix} | :: ending of most or every subatomic particle |
| -ona {suffix} | :: feminine noun of -ón |
| -ona {suffix} | :: -one |
| oñacina {f} | :: feminine noun of oñacino |
| oñacino {adj} | :: Of, pertaining to, or supporting, the Oñaz family in the War of the Bands |
| oñacino {m} | :: A supporter or soldier of the Oñaz family in the War of the Bands |
| onagra {f} | :: evening primrose |
| onagro {m} | :: onager (wild ass) |
| onagro {m} | :: onager (military engine) |
| onanismo {m} | :: onanism (masturbation) |
| onanista {adj} | :: onanistic |
| onanista {mf} | :: onanist |
| -onas {suffix} | :: feminine plural of -ón |
| Oñate {prop} | :: surname |
| Oñati {prop} | :: Oñati (town) |
| Oñati {prop} | :: surname |
| once {num} | :: eleven |
| once {f} | :: elevenses, snack (bread with tea or coffee) |
| onceavo {adj} | :: eleventh |
| onceavo {m} | :: eleventh |
| oncejo {m} | :: obsolete spelling of vencejo |
| onceno {adj} | :: eleventh |
| onceno {m} | :: eleventh |
| oncidium {m} | :: oncidium |
| oncocercosis {f} | :: onchocerciasis |
| oncogén {m} | :: oncogene |
| oncogénico {adj} | :: oncogenic |
| oncohematología {f} | :: onco-hematology |
| oncohematológico {adj} | :: oncohematological |
| oncóloga {f} | :: feminine noun of oncólogo |
| oncología {f} | :: oncology (branch of medicine) |
| oncológico {adj} | :: oncological |
| oncólogo {m} | :: oncologist (a doctor or scientist who specializes in oncology) |
| oncótico {adj} | :: oncotic |
| onda {f} | :: wave (on the surface of a liquid) |
| onda {f} | :: Any other wave (including technological use) |
| onda {f} | :: style, fashion |
| onda {f} | :: vibe or mood |
| onda acústica {f} | :: sound wave |
| onda alfa {f} | :: alpha wave (electrical signal produced by the brain while the subject is relaxed) |
| onda de calor {f} | :: heatwave |
| ondado {adj} | :: wavy; undé |
| onda electromagnética {f} | :: electromagnetic wave |
| onda gravitacional {f} | :: gravitational wave |
| ondarrutarra {adj} | :: Of or from Ondarroa |
| ondarrutarra {mf} | :: Someone from Ondarroa |
| onda senoidal {f} | :: sine wave |
| onda sonora {f} | :: sound wave |
| onda verde {f} | :: green wave |
| onde {adv} | :: obsolete form of donde |
| ondeante {adj} | :: wavy |
| ondear {v} | :: to wave |
| ondear {v} | :: to undulate |
| ondear {v} | :: to flutter, flap |
| ondícula {f} | :: wavelet |
| ondina {m} | :: undine, water sprite |
| ondoso {adj} | :: wavey |
| ondulación {f} | :: undulation |
| ondulación {f} | :: permanent wave |
| ondulación {f} | :: permanent wave, perm (hairstyle) |
| ondulador {m} | :: undulator |
| ondulante {adj} | :: waving, undulating |
| ondular {v} | :: to wave |
| ondulatorio {adj} | :: undulating |
| ondulatorio {adj} | :: wave (attributive, physics) |
| oneida {adj} | :: Oneida |
| oneida {mf} | :: Oneida |
| oneroso {adj} | :: onerous |
| onfalomesentérico {adj} | :: omphalomesenteric |
| ónfalos {m} | :: omphalos |
| ONG {n} | :: NGO (non-governmental organisation) |
| ónice {mf} | :: alternative form of ónix |
| onicóforo {m} | :: onychophoran |
| onicomicosis {f} | :: onychomycosis |
| onicosis {f} | :: onychosis |
| -ónimo {suffix} | :: -onym |
| oniomanía {f} | :: oniomania |
| ónique {m} | :: onyx |
| oniquectomía {f} | :: onychectomy |
| onírico {adj} | :: oneiric |
| onírico {adj} | :: dream |
| ónix {mf} | :: onyx |
| online {adj} | :: online |
| onocentauro {m} | :: onocentaur |
| onomasiología {f} | :: onomasiology |
| onomasiológico {adj} | :: onomasiological |
| onomástica {f} | :: onomastics (study of names) |
| onomástica {f} | :: name day |
| onomástico {adj} | :: onomastic (relating to a personal or place name) |
| onomatopeya {f} | :: onomatopoeia |
| onomatopéyico {adj} | :: onomatopoeic |
| onondaga {adj} | :: Onondaga |
| onondaga {mf} | :: Onondaga |
| onoto {m} | :: annatto |
| onra {f} | :: obsolete spelling of honra |
| onsen {m} | :: onsen |
| ONT {prop} {f} | :: abbreviation of Organización Nacional de Transplantes |
| ontariana {f} | :: feminine noun of ontariano |
| ontariano {adj} | :: Ontarian (of or pertaining to Ontario, Colorado) |
| ontariano {m} | :: Ontarian (native or resident of Ontario, Colorado) |
| Ontario {prop} {f} | :: Ontario |
| ontogenético {adj} | :: ontogenetic, ontogenic |
| ontogenia {f} | :: ontogeny |
| ontogénico {adj} | :: ontogenetic |
| ontología {f} | :: ontology |
| ontológicamente {adv} | :: ontologically |
| ontológico {adj} | :: ontological |
| ontologismo {m} | :: ontologism |
| ONU {prop} | :: initialism of Organización de las Naciones Unidas (UNO (United Nations Organization)) |
| onubense {adj} | :: Of or pertaining to Huelva (city in Spain) |
| onubense {mf} | :: A native or inhabitant of Huelva |
| onusto {adj} | :: loaded, heavy |
| onusto {adj} | :: laden, burdened |
| onusto {adj} | :: pressured |
| onza {f} | :: Ounce |
| onza {f} | :: Ounce; snow leopard |
| onza troy {f} | :: troy ounce |
| onze {num} | :: obsolete spelling of once |
| oobleck {m} | :: oobleck |
| oocito {m} | :: oocyte |
| ooforectomía {f} | :: oophorectomy |
| oolítico {adj} | :: oolitic |
| oolito {m} | :: oolite |
| oolong {m} | :: oolong |
| oomiceto {m} | :: oomycete |
| ooquiste {m} | :: oocyst |
| oosfera {f} | :: oosphere |
| oospora {f} | :: oospore |
| ooteca {f} | :: ootheca |
| opacamente {adv} | :: opaquely |
| opacar {vt} | :: to overshadow |
| opacidad {f} | :: opacity |
| opacificación {f} | :: opacification |
| opaco {adj} | :: opaque |
| opalescente {adj} | :: opalescent |
| opalino {adj} | :: opaline; opal (attributive) |
| ópalo {m} | :: opal |
| ópata {adj} | :: Opata |
| ópata {mf} | :: Opata |
| opción {f} | :: option |
| opcionado {adj} | :: likely to win (an election) |
| opcional {adj} | :: optional |
| opcionalmente {adv} | :: optionally |
| open {m} | :: open |
| opening {m} | :: opening sequence; title sequence |
| OPEP {prop} {f} | :: OPEC; acronym of Organización de Países Exportadores de Petróleo |
| ópera {f} | :: opera |
| operabilidad {f} | :: operability |
| operable {adj} | :: operable (able to be treated by surgery) |
| operación {f} | :: operation (a surgical procedure) |
| operación {f} | :: operation (the method or practice by which actions are done) |
| operación {f} | :: operation (a procedure for generating a value from one or more other values) |
| operacional {adj} | :: operational, effective, operative |
| operacional {adj} | :: working |
| operacionalización {f} | :: operationalization |
| operacionalmente {adv} | :: operationally |
| operación salida {f} | :: state-level operation to control the exodus of travellers during peak times of the year (e.g. summer or Easter holidays) |
| operado {adj} | :: someone with plastic surgery |
| operador {m} | :: operator |
| operadora {f} | :: feminine noun of operador, (female) operator |
| operando {m} | :: operand |
| operante {adj} | :: operating, operative, functional |
| operante {adj} | :: influential |
| operar {v} | :: to produce, to achieve |
| operar {v} | :: to operate (to perform surgery) |
| operar {v} | :: to operate (to deal in a commodity) |
| operar {vr} | :: to undergo plastic surgery |
| operaria {f} | :: working woman |
| operario {m} | :: operative |
| operario {m} | :: workman |
| operarse {v} | :: reflexive of operar |
| operático {adj} | :: operatic |
| operativamente {adv} | :: operatively |
| operatividad {f} | :: operativeness |
| operativización {f} | :: the putting of something into operation |
| operativizar {vt} | :: to make something operative, to put something into operation |
| operativo {adj} | :: operative |
| operativo {m} | :: operation |
| operatorio {adj} | :: operational |
| operatorio {adj} | :: operable |
| opérculo {m} | :: operculum |
| opereta {f} | :: operetta |
| operista {mf} | :: opera singer |
| operístico {adj} | :: operatic |
| operón {m} | :: operon |
| opiáceo {adj} | :: opiate |
| opimo {adj} | :: rich, fertile, lush |
| opinable {adj} | :: opinable, thinkable |
| opinador {m} | :: opiner, thinker |
| opinante {adj} | :: opinionated, critical |
| opinar {v} | :: to think; to be of the opinion |
| opinar {v} | :: to express one's opinion; to opine |
| opinión {f} | :: opinion |
| opinión pública {f} | :: public opinion |
| opinóloga {f} | :: opinionated person, especially one who expresses their opinions about all kinds of topics on television |
| opinólogo {m} | :: opinionated person, especially one who expresses their opinions about all kinds of topics on television |
| opio {m} | :: opium |
| opioide {adj} | :: opioid |
| opioide {m} | :: opioid |
| opíparamente {adv} | :: sumptuously |
| opíparo {adj} | :: sumptuous |
| opistoconto {m} | :: opisthokont |
| opistosoma {m} | :: opisthosoma |
| opistótonos {m} | :: opisthotonos |
| oponente {mf} | :: opponent |
| oponente {adj} | :: opposing |
| oponer {vt} | :: to pit (one thing against another); to set in opposition |
| oponer {vt} | :: to put up (resistance etc.) |
| oponer {vr} | :: to be opposed, to be in opposition |
| oponerse {vr} | :: to oppose one another |
| oponible {adj} | :: opposable (placed opposite something else) |
| oporto {m} | :: port wine |
| Oporto {prop} | :: Porto, Oporto (city) |
| oportunamente {adv} | :: opportunely, timely |
| oportunidad {f} | :: opportunity, chance, shot, break, occasion, time (in both senses: “chance for advancement, progress or profit” and “favorable circumstance or occasion”) |
| oportunidad {f} | :: timeliness |
| oportunísimo {adj} | :: superlative of oportuno |
| oportunismo {m} | :: opportunism |
| oportunista {adj} | :: opportunistic |
| oportunista {mf} | :: opportunist |
| oportuno {adj} | :: opportune |
| oportuno {adj} | :: suitable, appropriate |
| oposición {f} | :: opposition |
| oposición {f} | :: public exam |
| oposicionista {adj} | :: opposition |
| oposicionista {mf} | :: oppositionist (member of an opposition) |
| opositar {v} | :: to take the oposiciones (public exams) |
| opositor {adj} | :: opposition, opposing |
| opositor {m} | :: opponent |
| opositor {m} | :: candidate (a person who is applying to a position for a public job) |
| opositora {f} | :: feminine noun of opositor |
| opresar {v} | :: to oppress |
| opresión {f} | :: oppression |
| opresivamente {adv} | :: oppressively |
| opresivo {adj} | :: oppressive |
| opresor {m} | :: oppressor (one who oppresses) |
| opresora {f} | :: oppressor |
| oprimir {v} | :: to press (e.g., a button or key on a telephone or keyboard) |
| oprimir {v} | :: to oppress |
| oprobio {m} | :: opprobrium |
| oprobioso {adj} | :: opprobrious, disgraceful |
| oprobrio {m} | :: alternative form of oprobio |
| ops {interj} | :: acknowledgment of a minor mistake, oops |
| opsonina {f} | :: opsonin |
| opsonizar {v} | :: opsonize |
| optante {adj} | :: opting |
| optar {v} | :: to opt |
| optativo {adj} | :: optional (left to personal choice) |
| optativo {m} | :: optative (mood of verbs) |
| ópticamente {adv} | :: optically |
| óptico {adj} | :: optical; optic |
| optimalidad {f} | :: optimality |
| óptimamente {adv} | :: optimally |
| optimar {v} | :: to optimize |
| optimismo {m} | :: optimism |
| optimista {adj} | :: optimistic, upbeat |
| optimista {adj} | :: optimistic, bullish |
| optimista {mf} | :: optimist |
| optimistamente {adv} | :: optimistically |
| optimización {f} | :: optimisation |
| optimizador {adj} | :: optimizing |
| optimizador {m} | :: optimizer |
| optimizadora {f} | :: feminine noun of optimizador |
| optimizar {v} | :: to optimize |
| óptimo {adj} | :: optimal |
| óptimo {adj} | :: superlative of bueno, very good |
| optómetra {mf} | :: optometrist |
| optometría {f} | :: optometry |
| optometrista {mf} | :: optometrist |
| optrónico {adj} | :: optronic |
| opuestamente {adv} | :: contrastingly |
| opuesto {adj} | :: opposed |
| opuesto {adj} | :: opposite |
| opuesto {adj} | :: contrary |
| opugnar {v} | :: to attack |
| opugnar {v} | :: to contradict, oppose |
| opulencia {f} | :: opulence, luxury |
| opulentísimo {adj} | :: superlative of opulento |
| opulento {adj} | :: rich, wealthy, opulent |
| opúsculo {m} | :: opuscule, tract, short essay |
| opusdeísta {mf} | :: Opus Dei member |
| oquedad {f} | :: hollow, hollow space, cavity, hole |
| oquedad {f} | :: insubstantiality of speech or talk |
| Oquitoa {prop} | :: Oquitoa (municipality) |
| -or {suffix} | :: Used to create abstract nouns from adjectives |
| -or {suffix} | :: Used to create agent nouns from verbs |
| oración {f} | :: sentence |
| oración {f} | :: clause |
| oración {f} | :: prayer |
| oración {f} | :: oration |
| oracional {adj} | :: sentence |
| oración final {f} | :: final clause |
| oración simple {f} | :: simple sentence |
| oración subordinada {f} | :: subordinate clause |
| oracular {adj} | :: oracular |
| oráculo {m} | :: oracle |
| orador {m} | :: speaker (as in public speaker) |
| orador {m} | :: orator |
| oradora {f} | :: feminine noun of orador |
| oraje {m} | :: weather; state of the weather |
| oral {adj} | :: oral |
| órale {interj} | :: let's go, come on, hurry (used to exhort) |
| órale {interj} | :: oh my God, wow (indicates amazement, astonishment, excitement, surprise, shock, fear) |
| órale {interj} | :: yes, ok, alright (indicates approbation) |
| oralidad {f} | :: orality (state of being oral) |
| oralización {f} | :: oralization/oralisation |
| oralizar {v} | :: to oralize/oralise |
| oralmente {adv} | :: orally |
| Orán {prop} | :: Orán (city) |
| oranés {adj} | :: Oranese (of or pertaining to Oran, Algeria) |
| oranés {m} | :: Oranese (native or resident of Oran, Algeria) |
| oranesa {f} | :: feminine noun of oranés |
| orangismo {m} | :: Orangeism |
| orangután {m} | :: orangutan |
| orante {mf} | :: prayer; someone who prays |
| orar {v} | :: to pray |
| orate {mf} | :: A crazy person |
| oratoria {f} | :: oratory |
| oratorio {adj} | :: oratorical |
| orbe {m} | :: orb |
| orbe {m} | :: world |
| orbe {m} | :: globefish |
| orbe {m} | :: mound (part of the regalia) |
| orbegosista {adj} | :: of or pertaining to Luis José de Orbegoso, Peruvian politician |
| orbegosista {mf} | :: A supporter of, or soldier in the army of, Luis José de Orbegoso |
| orbicular {adj} | :: orbicular |
| orbicular {m} | :: orbicular muscle |
| orbicular de los párpados {m} | :: orbicularis oculi, orbicularis oculi muscle |
| órbita {f} | :: orbit |
| orbitador {adj} | :: orbiting |
| orbitador {m} | :: orbiter |
| orbital {adj} | :: orbital (of or relating to an orbit) |
| orbital {adj} | :: orbital (of or relating to the eye socket) |
| orbital {m} | :: orbital |
| orbitar {v} | :: to orbit |
| orbitario {adj} | :: orbital (of or relating to an orbit) |
| orbitario {adj} | :: orbital (of or relating to the eye socket) |
| orbito- {prefix} | :: orbito- |
| orbitofrontal {adj} | :: orbitofrontal |
| orca {f} | :: orca, killer whale |
| Orcadas {prop} {fp} | :: Orkney Islands |
| orco {m} | :: Orcus |
| orco {m} | :: hell |
| orco {m} | :: orc |
| orco {m} | :: male orca, killer whale |
| órdago {m} | :: a large bet; an all-or-nothing bet |
| ordalía {f} | :: ordeal, trial |
| orden {f} | :: order (command) |
| orden {f} | :: order (request, purchase, or food) |
| orden {f} | :: order (decoration) |
| orden {f} | :: order |
| orden {f} | :: order |
| orden {m} | :: order (arrangement, sequence, organization) |
| orden {m} | :: orderliness |
| orden {m} | :: good behavior |
| orden {m} | :: order |
| orden {m} | :: order (highest exponent) |
| órden {mf} | :: obsolete spelling of orden |
| ordenación {f} | :: ordination |
| ordenación urbana {f} | :: town planning |
| ordenación urbanística {f} | :: town planning |
| ordenada {f} | :: ordinate |
| ordenadamente {adv} | :: orderly |
| ordenado {adj} | :: orderly, tidy, neat |
| ordenado {adj} | :: ordained |
| ordenado {adj} | :: ordered, commanded |
| ordenador {m} | :: computer |
| ordeñador {adj} | :: milking |
| ordeñador {m} | :: milker (person who milks) |
| ordenadora {f} | :: computer |
| ordeñadora {f} | :: milkmaid (female milker) |
| ordeñadora {f} | :: milker, milking machine (machine which milks) |
| ordenador de sobremesa {m} | :: desktop computer |
| ordenador portátil {m} | :: notebook (computer), laptop |
| ordenamiento {m} | :: legislation |
| ordenamiento {m} | :: ordering, arranging |
| ordenanza {mf} | :: orderly |
| ordenanza {mf} | :: messenger |
| ordenanza {mf} | :: ordinance |
| ordenanza {mf} | :: order |
| ordenar {v} | :: to order |
| ordenar {v} | :: to sort |
| ordenar {v} | :: to ordain |
| ordenar {v} | :: to enjoin |
| ordeñar {v} | :: to milk (to express milk from mammal) |
| ordeñar {v} | :: to milk (get the most advantage out of someone or something) |
| orden de alejamiento {f} | :: restraining order |
| orden del día {m} | :: agenda (things to be solved) |
| ordeño {m} | :: milking |
| ordinal {adj} | :: ordinal |
| ordinalidad {f} | :: ordinality |
| ordinariamente {adv} | :: ordinarily |
| ordinariato {m} | :: ordinariate |
| ordinariez {f} | :: ordinarity |
| ordinario {adj} | :: ordinary |
| ordinarísimo {adj} | :: superlative of ordinario |
| Ordóñez {prop} | :: surname |
| Ordoño {prop} {m} | :: given name |
| orear {vt} | :: to air |
| orebce {m} | :: goldsmith |
| orégano {m} | :: oregano, pot marjoram (Origanum vulgare) |
| Oregón {prop} {m} | :: Oregon |
| oregonés {adj} | :: Oregonian |
| oregonés {m} | :: Oregonian |
| oregonesa {f} | :: feminine noun of oregonés |
| oreja {f} | :: ear |
| oreja de Judas {f} | :: wood ear |
| oreja de mar {f} | :: abalone (edible univalve mollusc) |
| orejano {adj} | :: unbranded |
| orejano {adj} | :: unsociable |
| orejas de burro {m} | :: goose wing |
| orejera {f} | :: earflap |
| orejera {f} | :: earmuff |
| orejera {f} | :: blinder (for horses) |
| orejera {f} | :: earpad |
| orejera {f} | :: ear armour |
| orejera {f} | :: plug (jewellery for the ear) |
| orejerito {m} | :: tyrannulet |
| orejeta {f} | :: diminutive of oreja |
| orejeta {f} | :: lug |
| orejita {f} | :: diminutive of oreja |
| orejón {adj} | :: big-eared |
| orejón {adj} | :: absent-minded |
| orejón {m} | :: big ears |
| orejón {m} | :: pull of the ear (especially on someone's birthday) |
| orejón {m} | :: An Inca nobleman, characterised by decorations in the ears |
| orejota {f} | :: augmentative of oreja |
| orejudo {adj} | :: big-eared |
| orejuela {f} | :: The earlike handle of a tray, bowl or other such utensil |
| Orellana {prop} | :: surname |
| orellano {adj} | :: remote, separated |
| Oremburgo {prop} {m} | :: Oremburgo (oblast) |
| Oremburgo {prop} {m} | :: Oremburgo (city/administrative center) |
| Orendain {prop} | :: surname |
| orensano {adj} | :: Of, from, or related to, Ourense |
| orensano {m} | :: Someone from Ourense |
| orense {adj} | :: Of or from El Oro Province, Ecuador |
| orense {mf} | :: An inhabitant of El Oro Province, Ecuador |
| Orense {prop} {f} | :: Orense (province) |
| Orense {prop} {f} | :: Orense (city) |
| oreo {m} | :: breeze |
| oreo {m} | :: fresh air |
| oreodonte {m} | :: oreodont |
| orera {f} | :: feminine noun of orero |
| orero {m} | :: gold panner |
| orfanato {m} | :: orphanage |
| orfanatorio {m} | :: orphanage |
| orfandad {f} | :: orphanhood |
| orfandad {f} | :: orphanage |
| orfandad {f} | :: hopelessness |
| orfebre {mf} | :: goldsmith |
| orfebrería {f} | :: gold work, goldsmithing |
| orfelinato {m} | :: orphanage |
| Orfeo {prop} {m} | :: Orpheus |
| orfeón {m} | :: choir (singing group) |
| órfico {adj} | :: Orphic |
| organdí {m} | :: organdy |
| organela {f} | :: organelle |
| organelo {m} | :: organelle |
| organera {f} | :: feminine noun of organero |
| organería {f} | :: organ builder |
| organero {adj} | :: organ (musical instrument) |
| organero {m} | :: organmaker; organ constructor (maker of the musical instrument) |
| orgánicamente {adv} | :: organically |
| organicidad {f} | :: organicity |
| organicismo {m} | :: organicism |
| organicista {mf} | :: organicist |
| orgánico {adj} | :: organic (pertaining to an organism) |
| orgánico {adj} | :: organic (pertaining to an organ) |
| orgánico {adj} | :: organic (pertaining to an organic compound) |
| orgánico {adj} | :: organic (grown without agrochemicals) |
| organigrama {f} | :: organization chart |
| organillero {m} | :: organ grinder |
| organillo {m} | :: street organ |
| organismo {m} | :: organism, creature |
| organismo {m} | :: human body |
| organismo {m} | :: organization, committee, body |
| organismo {m} | :: corporate body |
| organista {mf} | :: organist |
| organístico {adj} | :: organ (attributive) |
| organito {m} | :: diminutive of órgano |
| organización {f} | :: organization |
| organizacional {adj} | :: organizational |
| Organización de las Naciones Unidas {f} | :: United Nations |
| Organización Mundial de la Salud {prop} {f} | :: World Health Organization |
| organizadamente {adv} | :: in an organized manner |
| organizado {adj} | :: organized |
| organizador {m} | :: organizer |
| organizadora {f} | :: feminine noun of organizador |
| organizar {v} | :: to organize |
| organizarse {v} | :: reflexive of organizar |
| organizativamente {adv} | :: organizationally |
| organizativo {adj} | :: organizational |
| órgano {m} | :: organ (a larger part of an organism) |
| órgano {m} | :: organ (a musical instrument made of multiple pipes) |
| órgano {m} | :: organ, bulletin (an official publication of an organization) |
| órgano {m} | :: body, authority, agency |
| órgano {m} | :: means; medium (of communication, etc.) |
| órgano {m} | :: a general term for certain types of cactus |
| organoarsénico {adj} | :: organoarsenic |
| organobromado {m} | :: organobromine |
| organoclorado {m} | :: organochlorine |
| organofosfato {m} | :: organophosphate |
| organofosforado {adj} | :: organophosphorous |
| organogénesis {f} | :: organogenesis |
| organógeno {adj} | :: organogenic |
| organografía {f} | :: organography |
| organoléptico {adj} | :: organoleptic |
| organolitio {m} | :: organolithium |
| organología {f} | :: organology |
| organometálico {adj} | :: organometallic |
| organopónico {adj} | :: organoponic |
| orgánulo {m} | :: organelle |
| organza {f} | :: organza |
| orgásmico {adj} | :: orgasmic |
| orgasmo {m} | :: orgasm |
| orgasmo múltiple {m} | :: multiple orgasm |
| orgasmus {m} | :: a study period on the Erasmus programme |
| orgia {f} | :: obsolete spelling of orgía |
| orgía {f} | :: orgy |
| orgiástico {adj} | :: orgiastic |
| orgivense {adj} | :: Of or from Órgiva |
| orgivense {mf} | :: Someone from Órgiva |
| orgón {m} | :: orgone |
| orgullo {m} | :: pride (state of being proud) |
| orgullo {m} | :: pride (sense of self-worth) |
| orgullo {m} | :: pride (something of which one is proud) |
| orgullosamente {adv} | :: proudly |
| orgullosísimo {adj} | :: superlative of orgulloso |
| orgulloso {adj} | :: proud |
| oribe {m} | :: goldsmith |
| órice {m} | :: oryx |
| oricha {m} | :: alternative form of orisha |
| orictognosía {f} | :: oryctognosy |
| orictología {f} | :: oryctology |
| oricuerno {m} | :: a mythological, chimerical creature that consists of unicorn with a purple head, a white body, the legs of a deer, the tail of a lion, blue eyes, its horn being long and twisted, also with wings on its hooves |
| orientable {adj} | :: orientable |
| orientable {adj} | :: adjustable |
| orientación {f} | :: orientation |
| orientación {f} | :: orienteering |
| orientación familiar {f} | :: home teaching |
| orientación sexual {f} | :: sexual orientation |
| orientador {m} | :: school counselor |
| orientadora {f} | :: feminine noun of orientador |
| oriental {adj} | :: eastern |
| oriental {adj} | :: Oriental |
| oriental {adj} | :: Uruguayan |
| oriental {mf} | :: easterner |
| orientalismo {m} | :: orientalism |
| orientalista {adj} | :: orientalist |
| orientalista {mf} | :: orientalist |
| orientalizante {adj} | :: orientalizing |
| orientar {vt} | :: to orient |
| orientar {vr} | :: to get one's bearings |
| orientar {vr} | :: to be directed |
| orientar {vp} | :: to aim, to point at |
| orientarse {v} | :: reflexive of orientar |
| orientativo {adj} | :: indicative |
| orientativo {adj} | :: ballpark |
| oriente {m} | :: east |
| Oriente {prop} {m} | :: Orient (countries of Asia) |
| Oriente Cercano {prop} {m} | :: Near East |
| Oriente Medio {prop} {m} | :: Middle East (region comprising southwest Asia and northeast Africa) |
| Oriente Próximo {prop} {m} | :: Near East |
| orificar {v} | :: to fill a tooth with gold |
| orificio {m} | :: orifice |
| oriflama {f} | :: Oriflamme |
| origami {m} | :: origami (the Japanese art of paper folding) |
| origen {m} | :: origin |
| originación {f} | :: origination |
| originador {m} | :: originator |
| originadora {f} | :: feminine noun of originador |
| original {adj} | :: original |
| originalidad {f} | :: originality |
| originalísimo {adj} | :: superlative of original |
| originalista {mf} | :: originalist |
| originalmente {adv} | :: originally (as it was in the beginning) |
| originalmente {adv} | :: originally (in an original manner) |
| originar {v} | :: to originate |
| originar {vt} | :: to start |
| originar {vt} | :: to give rise to, to cause |
| originariamente {adv} | :: originally (as it was in the beginning) |
| originario {adj} | :: original, originating |
| originario {adj} | :: native |
| orilla {f} | :: shore, bank (of a watercourse) |
| orilla {f} | :: edge, border |
| orilla del mar {f} | :: seashore |
| orillar {vt} | :: to fix, solve |
| orillar {vt} | :: to avoid, skirt |
| orillar {vi} | :: to pull over (to the side of a road, etc.) |
| orillero {adj} | :: lower-class, common, vulgar |
| orillita {f} | :: diminutive of orilla |
| orillo {m} | :: selvage , selvedge |
| orín {m} | :: rust |
| orín {m} | :: urine |
| orina {f} | :: urine |
| orinal {m} | :: chamber pot |
| orinar {v} | :: to urinate, to pee |
| orinarse {v} | :: reflexive of orinar |
| orinoquense {adj} | :: Orinocan; of or from Orinoco |
| orinoquense {mf} | :: Orinocan; someone from Orinoco |
| Oriol {prop} {m} | :: given name |
| oriolana {f} | :: feminine noun of oriolano |
| oriolano {adj} | :: of or from Orihuela |
| oriolano {m} | :: Someone from Orihuela |
| Orión {prop} {m} | :: Orion |
| Orión {prop} {m} | :: Orion |
| oriónidas {fp} | :: Orionids |
| oriotarra {adj} | :: Of or related to Orio |
| oriotarra {mf} | :: Someone from Orio |
| orisha {m} | :: orisha |
| orishá {m} | :: orisha |
| Oristán {prop} {m} | :: Oristano |
| orito {m} | :: A type of bright yellow, sweet miniature banana |
| oriunda {f} | :: feminine noun of oriundo |
| oriundo {adj} | :: native to |
| oriundo {m} | :: native |
| orla {f} | :: orle |
| orla {f} | :: border; trim |
| orla {f} | :: photo of all the members of a school |
| orlar {v} | :: to trim |
| orlar {v} | :: to add a border to |
| orleanista {adj} | :: Relating to the House of Orléans |
| Ormuz {prop} | :: Ormus |
| ornamentación {f} | :: ornamentation |
| ornamental {adj} | :: ornamental |
| ornamentalista {mf} | :: ornamentalist |
| ornamentalmente {adv} | :: ornamentally |
| ornamentar {v} | :: to adorn or ornament |
| ornamento {m} | :: ornament |
| ornar {v} | :: to adorn |
| ornato {m} | :: ornament |
| ornitina {f} | :: ornithine |
| ornitisquio {m} | :: ornithischian |
| ornito- {prefix} | :: ornitho- |
| ornitofobia {f} | :: ornithophobia |
| ornitóloga {f} | :: feminine noun of ornitólogo |
| ornitología {f} | :: ornithology |
| ornitológico {adj} | :: ornithological |
| ornitólogo {m} | :: ornithologist (expert in ornithology) |
| ornitomancia {f} | :: ornithomancy |
| ornitomancía {f} | :: alternative spelling of ornitomancia |
| ornitomímido {m} | :: ornithomimid |
| ornitópodo {m} | :: ornithopod |
| ornitorrinco {m} | :: platypus |
| oro {m} | :: gold |
| oro {m} | :: a suit in the Spanish deck of cards |
| oro {m} | :: a card from this suit |
| oro {adj} | :: or |
| orofaríngeo {adj} | :: oropharyngeal |
| orogénesis {f} | :: orogenesis |
| orogenia {f} | :: orogeny |
| orogénico {adj} | :: orogenic |
| orógeno {m} | :: orogen |
| orografía {f} | :: orography (the scientific study of mountains) |
| orografía {f} | :: orography (the orographic features of a region) |
| orográficamente {adv} | :: orographically |
| orográfico {adj} | :: orographic |
| oromo {adj} | :: Oromo |
| oromo {mf} | :: Oromo |
| orondo {adj} | :: rotund, pot-bellied |
| orondo {adj} | :: rounded |
| orondo {adj} | :: smug |
| oro negro {m} | :: black gold |
| oronja {f} | :: any of several species of fungus of the genus Amanita |
| oronja {f} | :: Caesar's mushroom |
| oronja verde {f} | :: death cap |
| oropel {m} | :: tinsel |
| oropel {m} | :: trinket |
| oropel {m} | :: faff |
| oropéndola {f} | :: oriole |
| oropéndola {f} | :: oropendola |
| oropéndola de Baltimore {f} | :: Baltimore oriole |
| oropimente {m} | :: orpiment |
| orotavense {adj} | :: Of or from La Orotava |
| orotavense {mf} | :: Someone from La Orotava |
| oro y el moro {m} | :: everything under the sun, the moon and the stars |
| Orozco {prop} | :: surname |
| orozquista {adj} | :: Of, pertaining to, or supporting, Pascual Orozco, Mexican revolutionary |
| orozquista {mf} | :: A supporter of Pascual Orozco |
| orozuz {m} | :: liquorice plant |
| orquesta {f} | :: orchestra (of classical music) |
| orquesta {f} | :: band; group (group of musicians who play together) |
| orquestación {f} | :: orchestration |
| orquestador {m} | :: orchestrator |
| orquestal {adj} | :: orchestral |
| orquestar {v} | :: to orchestrate |
| orquestra {f} | :: dated form of orquesta |
| orquestral {adj} | :: orchestral |
| orquídea {f} | :: orchid |
| orquideario {m} | :: orchidarium |
| orquidectomía {f} | :: orchidectomy |
| orquideología {f} | :: orchidology |
| orquideólogo {m} | :: orchidologist |
| orquidióloga {f} | :: feminine noun of orquidiólogo |
| orquidiólogo {m} | :: orchidologist |
| orquidóloga {f} | :: feminine noun of orquidólogo |
| orquidólogo {m} | :: orchidologist |
| orquiectomía {f} | :: orchiectomy |
| orquitis {f} | :: orchitis |
| Orrantia {prop} {f} | :: surname |
| -orro {suffix} | :: Forms pejorative diminutives of adjectives and nouns |
| órsay {m} | :: offside |
| ortega {f} | :: black-bellied sandgrouse |
| Ortega {prop} | :: surname |
| orteguianamente {adv} | :: in such a way typical of José Ortega y Gasset, a Spanish philosopher |
| orteguiano {adj} | :: of or relating to José Ortega y Gasset, a Spanish philosopher |
| ortejo {m} | :: toe |
| ortesis {f} | :: orthosis |
| órtico {adj} | :: orthic |
| ortiga {f} | :: nettle (plant) |
| ortigar {v} | :: To sting (of a nettle) |
| Ortiz {prop} | :: surname |
| orto- {prefix} | :: ortho- |
| orto {m} | :: sunrise |
| orto {m} | :: arse, anus |
| orto {m} | :: arse, buttocks |
| ortobirrotonda {f} | :: orthobirotunda |
| ortoclasa {f} | :: orthoclase |
| ortodiagonal {adj} | :: orthodiagonal |
| ortodoncia {f} | :: orthodontics |
| ortodóncico {adj} | :: orthodontic |
| ortodoncista {mf} | :: orthodontist |
| ortodoxamente {adv} | :: orthodoxly |
| ortodoxia {f} | :: orthodoxy (correctness in doctrine and belief) |
| ortodoxia {f} | :: Orthodoxy (the Eastern Orthodox Church and its foundations) |
| ortodoxo {adj} | :: orthodox |
| ortodoxo {adj} | :: Orthodox |
| ortoedro {m} | :: cuboid |
| ortoepía {f} | :: orthoepy |
| ortoéster {m} | :: orthoester |
| ortofoto {m} | :: orthophoto |
| ortofotografía {f} | :: orthophoto |
| ortogénesis {f} | :: orthogenesis |
| ortogneis {m} | :: orthogneiss |
| ortogonal {adj} | :: orthogonal |
| ortogonalidad {f} | :: orthogonality |
| ortogonalización {f} | :: orthonormalization |
| ortogonalmente {adv} | :: orthogonally |
| ortógrafa {f} | :: feminine noun of ortógrafo |
| ortografía {f} | :: orthography |
| ortografía {f} | :: spelling (specific way of spelling a word) |
| ortografía {f} | :: spelling (a person's ability to spell words) |
| ortográficamente {adv} | :: orthographically |
| ortográfico {adj} | :: orthographic |
| ortógrafo {m} | :: orthographer |
| ortographía {f} | :: obsolete spelling of ortografía |
| ortólogo {adj} | :: orthologous |
| ortomolecular {adj} | :: orthomolecular |
| ortonéctido {m} | :: orthonectid |
| ortonitrato {m} | :: orthonitrate |
| ortonormal {adj} | :: orthonormal |
| ortopeda {mf} | :: orthopedist |
| ortopedia {f} | :: orthopedics |
| ortopédica {f} | :: feminine noun of ortopédico |
| ortopédicamente {adv} | :: orthopedically |
| ortopédico {adj} | :: orthopedic |
| ortopédico {m} | :: orthopedist |
| ortopedista {mf} | :: orthopedist |
| ortopiroxeno {m} | :: orthopyroxene |
| ortopnea {f} | :: orthopnea |
| ortóptero {m} | :: orthopteran |
| ortóptico {adj} | :: orthoptic |
| ortorrómbico {adj} | :: orthorhombic |
| ortosa {f} | :: orthoclase |
| ortosimpático {adj} | :: orthosympathetic |
| ortostático {adj} | :: orthostatic |
| ortostato {m} | :: orthostat |
| ortotipografía {f} | :: orthotypography |
| ortotópico {adj} | :: orthotopic |
| ortótropo {adj} | :: orthotropous |
| ortovoltaje {m} | :: orthovoltage |
| oruga {f} | :: caterpillar (insect or vehicle) |
| oruga {f} | :: arugula, rocket (plant) |
| oruguero {m} | :: triller (bird) |
| oruguero {m} | :: cuckooshrike |
| orujo {m} | :: orujo |
| orujo {m} | :: The solid remains of juiced grapes or olives |
| orureño {adj} | :: Of, from, or in the style of the Bolivian department (region) of Oruro |
| Oruro {prop} | :: Oruro (department) |
| orvallo {m} | :: drizzle |
| orwelliano {adj} | :: Orwellian |
| orza {f} | :: a type of clay jug |
| orzuela {f} | :: split ends (of hair) |
| orzuelo {m} | :: stye |
| os {pron} | :: you, to you, for you; dative and accusative of vosotros |
| -osa {suffix} | :: feminine singular of -oso |
| -osa {suffix} | :: -ose (forms names of sugars) |
| osa {f} | :: she-bear, sow, female bear |
| osadamente {adv} | :: gutsily |
| osadía {f} | :: boldness |
| osadía {f} | :: audacity |
| osado {adj} | :: daring, bold |
| osage {adj} | :: Osage |
| Osa Mayor {prop} {m} | :: Ursa Major; the Plough |
| Osa Menor {prop} {f} | :: Ursa Minor |
| osamenta {f} | :: skeleton |
| osaqueña {f} | :: feminine noun of osaqueño |
| osaqueño {adj} | :: Osakan (of or pertaining to Osaka, Japan) |
| osaqueño {m} | :: Osakan (native or resident of Osaka, Japan) |
| osar {vi} | :: to dare |
| osario {m} | :: ossuary |
| osasunista {adj} | :: Associated with Club Atlético Osasuna, a football club from Pamplona |
| osasunista {mf} | :: Someone associated with Club Atlético Osasuna |
| Óscar {prop} {m} | :: given name |
| oscarizado {adj} | :: Oscar-winning |
| oscense {adj} | :: From Huesca |
| oscense {mf} | :: Someone from Huesca |
| oscilación {f} | :: oscillation |
| oscilador {m} | :: oscillator |
| oscilador armónico {m} | :: harmonic oscillator |
| oscilante {adj} | :: oscillating |
| oscilar {v} | :: to oscillate |
| oscilatorio {adj} | :: oscillatory |
| osciloscopio {m} | :: oscilloscope |
| osco {adj} | :: Oscan |
| osculación {f} | :: osculation |
| ósculo {m} | :: kiss |
| ósculo {m} | :: osculum (opening in sponges) |
| oscuramente {adv} | :: obscurely |
| oscurantismo {m} | :: obscurantism |
| oscurantista {mf} | :: obscurantist |
| oscurecer {v} | :: to darken |
| oscurecimiento {m} | :: darkening, dimming |
| oscuridad {f} | :: darkness |
| oscuridad {f} | :: obscurity |
| oscurísimo {adj} | :: superlative of oscuro |
| oscurito {adj} | :: diminutive of oscuro |
| oscuro {adj} | :: dark (lacking light) |
| oscuro {adj} | :: dark (of a color, deep in hue) |
| oscuro {adj} | :: obscure, incomprehensible |
| oscuro {adj} | :: suspicious, unclear |
| o sea {adv} | :: I mean; that is to say (used to introduce a new idea or explain a previous one) |
| osear {v} | :: to shoo away |
| Oseas {prop} {m} | :: Hosea (the book of the Bible) |
| óseo {adj} | :: osseous, bony |
| osera {f} | :: bear cave |
| oseta {adj} | :: Ossetian |
| oseta {mf} | :: Ossetian |
| oseta {m} | :: Ossetian |
| osetia {f} | :: feminine noun of osetio |
| Osetia {prop} {f} | :: Ossetia |
| Osetia del Norte {prop} {f} | :: North Ossetia |
| Osetia del Sur {prop} {f} | :: South Ossetia |
| osetio {m} | :: Ossetian (language) |
| osetio {m} | :: Ossetian |
| osezna {f} | :: (female) bear cub |
| osezno {m} | :: bear cub |
| osicona {f} | :: feminine noun of osicón |
| osicono {m} | :: ossicone |
| osículo {m} | :: ossicle |
| osificación {f} | :: ossification |
| osificar {v} | :: to ossify |
| osiliana {f} | :: feminine noun of osiliano |
| osiliano {adj} | :: Oesilian |
| osiliano {m} | :: Oesilian |
| osiriaco {adj} | :: Osirian |
| Osiris {prop} {m} | :: Osiris |
| -osis {suffix} | :: -osis |
| osita {f} | :: feminine noun of osito |
| osito {m} | :: diminutive of oso, little bear |
| osito {m} | :: (a lovable man) teddy bear |
| osito de peluche {m} | :: teddy bear |
| oslense {adj} | :: Oslovian (of or pertaining to Oslo, Norway) |
| oslense {mf} | :: Oslovian (native or resident of Oslo, Norway) |
| Oslo {prop} {f} | :: Oslo (county/and/municipality/capital city) |
| osmio {m} | :: osmium |
| osmolalidad {f} | :: osmolality |
| osmolaridad {f} | :: osmolarity |
| osmorregulación {f} | :: osmoregulation |
| ósmosis {f} | :: osmosis |
| ósmosis {f} | :: osmosis |
| osmóticamente {adv} | :: osmotically |
| osmótico {adj} | :: osmotic |
| -oso {suffix} | :: -ous, -ful, -y |
| oso {m} | :: bear (in general) |
| oso {m} | :: boar, male bear |
| oso {m} | :: bear (large hairy man, especially homosexual) |
| oso blanco {m} | :: polar bear |
| osobuco {m} | :: alternative spelling of ossobuco |
| oso caballo {m} | :: giant anteater (Myrmecophaga tridactyla) |
| oso cavernario {m} | :: cave bear |
| oso de agua {m} | :: A tardigrade, water bear |
| oso de anteojos {m} | :: spectacled bear |
| oso hormiguero {m} | :: anteater |
| oso hormiguero {m} | :: An uncircumcised penis, a cheeser |
| oso hormiguero gigante {m} | :: giant anteater |
| oso Kodiak {m} | :: Kodiak bear |
| oso lavador {m} | :: raccoon |
| oso malayo {m} | :: sun bear |
| oso marino ártico {m} | :: northern fur seal |
| oso melero {m} | :: southern tamadou |
| oso negro {m} | :: black bear |
| oso panda {m} | :: panda; panda bear |
| oso pardo {m} | :: brown bear (Ursus arctos) |
| oso polar {m} | :: polar bear |
| Osorio {prop} {m} | :: surname, the 36th most common in Colombia |
| osornina {f} | :: feminine noun of osornino |
| osornino {adj} | :: Of or from Osorna |
| osornino {m} | :: Someone from Osorna |
| ososo {adj} | :: with bones |
| ososo {adj} | :: related to bones |
| oso tibetano {m} | :: Asian black bear; moon bear |
| oso viscoso {m} | :: gummy bear |
| osso {m} | :: obsolete spelling of oso |
| ossobuco {m} | :: osso buco (Italian meat dish) |
| osté {pron} | :: obsolete spelling of usted |
| osteíctio {m} | :: bony fish |
| osteítis {f} | :: osteitis |
| ostensible {adj} | :: ostensible, apparent |
| ostensiblemente {adv} | :: ostensibly |
| ostensivo {adj} | :: ostensive |
| ostentación {f} | :: ostentation, boastfulness |
| ostentación {f} | :: conceit |
| ostentar {v} | :: to display, to flaunt |
| ostentar {v} | :: to hold, to possess (a title or position) |
| ostentosamente {adv} | :: ostentatiously |
| ostentoso {adj} | :: ostentatious, flashy, showy |
| ostentoso {adj} | :: swank, swanky |
| osteo- {prefix} | :: osteo- |
| osteoarticular {adj} | :: osteoarticular |
| osteoartritis {f} | :: osteoarthritis |
| osteoblasto {m} | :: osteoblast |
| osteocito {m} | :: osteocyte |
| osteoclasto {m} | :: osteoclast |
| osteocondritis {f} | :: osteochondritis |
| osteocondrosis {f} | :: osteochondrosis |
| osteodermo {m} | :: osteoderm |
| osteodistrofia {f} | :: osteodystrophy |
| osteofito {m} | :: osteophyte |
| osteogénesis {f} | :: osteogenesis |
| osteogénesis imperfecta {f} | :: osteogenesis imperfecta |
| osteoide {adj} | :: osteoid |
| osteoide {m} | :: osteoid |
| osteóloga {f} | :: osteologist |
| osteología {f} | :: osteology |
| osteológico {adj} | :: osteological |
| osteólogo {m} | :: osteologist |
| osteomielitis {f} | :: osteomyelitis |
| osteomuscular {adj} | :: osteomuscular |
| osteona {f} | :: osteon |
| osteonecrosis {f} | :: osteonecrosis |
| osteopatía {f} | :: osteopathy |
| osteopático {adj} | :: osteopathic |
| osteopenia {f} | :: osteopenia |
| osteopetrosis {f} | :: osteopetrosis |
| osteoporosis {f} | :: osteoporosis |
| osteoporótico {adj} | :: osteoporotic |
| osteoprotegerina {f} | :: osteoprotegerin |
| osteosarcoma {f} | :: osteosarcoma |
| osteosarcopenia {f} | :: osteosarcopenia |
| osteosíntesis {f} | :: osteosynthesis |
| osteotomía {f} | :: osteotomy |
| ostiolar {adj} | :: ostiolar |
| ostión {m} | :: oyster (particularily from genus Crassostrea), specially when prepared or served for food |
| ostionera {f} | :: an oyster bar; a place where oysters can be bought (and eaten) |
| ostionería {f} | :: synonym of ostionera (oyster bar) |
| ostomía {f} | :: ostomy |
| ostra {f} | :: oyster |
| ostracismo {m} | :: ostracism (exclusion from a community) |
| ostrácodo {m} | :: ostracod |
| ostras {interj} | :: shoot, shank, sugar (euphemised form of "shit") |
| ostrería {f} | :: synonym of ostionera (oyster bar) |
| ostrero {m} | :: oystercatcher (bird) |
| ostrero {m} | :: oyster farm |
| ostrogodo {adj} | :: Ostrogothic |
| ostrogodo {m} | :: Ostrogoth |
| osuno {adj} | :: bearlike, ursine |
| Osvaldo {prop} {m} | :: alternative form of Oswaldo |
| Oswaldo {prop} {m} | :: given name |
| otaku {mf} | :: otaku (one with an obsessive interest in something such as anime or manga) |
| otalgia {f} | :: otalgia; earache |
| OTAN {prop} {f} | :: NATO (North Atlantic Treaty Organization) |
| otar {v} | :: to spot; espy (from somewhere high) |
| otario {m} | :: sucker |
| otario {m} | :: sea lion |
| otaués {adj} | :: Ottawan (of or pertaining to Ottawa, Canada) |
| otaués {m} | :: Ottawan (native or resident of Ottawa, Canada) |
| otauesa {f} | :: feminine noun of otaués |
| otavaleño {m} | :: An inhabitant of Otavalo |
| otavaleño {adj} | :: From or located at Otavalo |
| Otavalo {prop} {m} | :: Otavalo |
| -ote {suffix} | :: emphasizes size |
| -ote {suffix} | :: emphasizes contempt for subject |
| otear {v} | :: to survey |
| otear {v} | :: to size up |
| Otelo {prop} {m} | :: Othello (Shakespeare character) |
| otero {m} | :: knoll |
| ótico {adj} | :: otic (related to the ear) |
| otitis {f} | :: otitis |
| otitis externa {f} | :: otitis externa |
| o todos coludos, o todos rabones {phrase} | :: everyone should receive the same or be held by the same standard |
| o todos moros o todos cristianos {phrase} | :: everyone should receive the same or be held by the same standard |
| otohematoma {m} | :: otohematoma |
| otolito {m} | :: otolith |
| otólogo | :: otologist |
| otomán {m} | :: ottoman |
| otomangueano {adj} | :: Otomanguean |
| otomano {adj} | :: Ottoman (relating to the Ottoman Empire) |
| otomano {m} | :: Ottoman (Turk from the Ottoman Empire) |
| otomí {mf} | :: A member of the Otomi people |
| otomí {adj} | :: Of or pertaining to the Otomi people and their language |
| otomí {m} | :: the Otomi language |
| Otón {prop} {m} | :: Otto; Otho |
| otoñada {f} | :: autumn time |
| otoñal {adj} | :: autumnal |
| otoneurología {f} | :: otoneurology |
| otoniano {adj} | :: Ottonian |
| otoño {m} | :: autumn, fall |
| otoplastia {f} | :: otoplasty |
| otorgación {f} | :: licence, permission |
| otorgamiento {m} | :: Act of granting or awarding |
| otorgante {adj} | :: granting, providing |
| otorgante {mf} | :: providing |
| otorgar {vt} | :: to grant (bestow or confer) |
| otorgar {vt} | :: to award (give an award for merit) |
| otorgar {vt} | :: to draw up, draft (compose (a document), especially following a standard form) |
| otorongo {m} | :: jaguar (big cat) |
| otorrino {m} | :: ENT specialist |
| otorrinolaringóloga {f} | :: feminine noun of otorrinolaringólogo |
| otorrinolaringología {f} | :: otorhinolaryngology |
| otorrinolaringólogo {m} | :: otorhinolaryngologist |
| ototoxicidad {f} | :: ototoxicity |
| ototóxico {adj} | :: ototoxic (toxic to the ear) |
| otra vez {adv} | :: again |
| otra vez {interj} | :: encore! |
| otredad {f} | :: otherness |
| otro {adj} | :: other, another |
| otro {interj} | :: "Not again!" or "What, again?" (also Otra vez! or Otra vez?) |
| otro {pron} | :: someone else; another person |
| otro {pron} | :: something else; another one |
| otro de tal {phrase} | :: same old story; same thing |
| otro gallo cantaría {phrase} | :: woulda, coulda, shoulda; if pigs had wings they would fly; if my aunt had balls, she'd be my uncle |
| otro que tal baila {phrase} | :: same old story; same thing |
| otrora {adj} | :: former, then |
| otrora {adv} | :: formerly, in days of yore, in days gone by |
| otrosí {adv} | :: moreover |
| Ottawa {prop} | :: Ottawa (city) |
| otubre {m} | :: alternative form of octubre |
| Otuzco {prop} | :: Otuzco (province) |
| Ourea {prop} {mp} | :: Ourea |
| ourensana {f} | :: feminine noun of ourensano |
| ourensano {adj} | :: of or from Ourense |
| ourensano {m} | :: A person from Ourense |
| Ouro Preto {prop} {m} | :: Ouro Preto (municipality) |
| out {m} | :: out |
| outdoor {adj} | :: outdoor |
| outfielder {m} | :: outfielder |
| outfit {m} | :: outfit (clothing) |
| outlet {m} | :: An outlet store |
| outsider {mf} | :: outsider |
| outsourcing {m} | :: outsourcing |
| ovación {f} | :: ovation |
| ovacionar {v} | :: to hail (praise enthusiastically) |
| oval {adj} | :: oval (shaped like an oval) |
| ovalado {adj} | :: oval (oval-shaped) |
| óvalo {m} | :: oval |
| ovar {v} | :: to lay |
| ovárico {adj} | :: ovarian |
| ovario {m} | :: ovary |
| oveja {f} | :: sheep |
| oveja negra {f} | :: black sheep |
| ovejera {f} | :: feminine noun of ovejero |
| ovejero {m} | :: shepherd |
| ovejita {f} | :: diminutive of oveja, a small lamb (especially female) |
| ovejita {f} | :: a promiscuous woman; a hooker |
| ovejo {m} | :: ram (male sheep) |
| ovejuno {adj} | :: sheep, sheeplike |
| overo {adj} | :: piebald; mottled |
| overol {m} | :: overalls plural (not US), coveralls plural (US only) |
| ovetense {adj} | :: Oviedan |
| ovetense {mf} | :: Oviedan |
| Ovidio {prop} {m} | :: Ovid |
| oviducto {m} | :: oviduct |
| oviedismo {m} | :: Collectively, the fans of Real Oviedo |
| oviedismo {m} | :: The state of being a fan of Real Oviedo |
| oviedista {mf} | :: A person connected with Real Oviedo, a Spanish football team from the city of Oviedo |
| Oviedo {prop} | :: Oviedo (capital city) |
| Oviedo {prop} | :: The letter O in the Spanish phonetic alphabet |
| ovillar {v} | :: to roll into a ball |
| ovillo {m} | :: ball (of wool) |
| ovillo {m} | :: ball (of things tied up) |
| ovillo {m} | :: pile, bunch |
| ovino {adj} | :: ovine |
| ovíparo {adj} | :: oviparous |
| oviposición {f} | :: oviposition |
| oviraptorosaurio {m} | :: oviraptorosaur |
| ovitrampa {f} | :: mosquito egg trap |
| ovni {m} | :: UFO |
| OVNI {m} | :: alternative form of ovni |
| ovo {m} | :: egg-shaped decoration |
| ovoalbúmina {f} | :: ovalbumin |
| ovocitario {adj} | :: ovum (attributive) |
| ovocito {m} | :: oocyte |
| ovodonación {f} | :: donation of one's ovum or ova |
| ovogénesis {f} | :: oogenesis |
| ovogonia {f} | :: oogonium |
| ovoidal {adj} | :: ovoidal |
| ovoide {adj} | :: ovoid (egg-shaped) |
| ovoide {m} | :: ovoid |
| ovoideo {adj} | :: ovoid |
| ovovivíparo {adj} | :: ovoviviparous |
| ovulación {f} | :: ovulation |
| ovular {v} | :: to ovulate |
| óvulo {m} | :: ovule (immature ovum) |
| óvulo {m} | :: ovule |
| oxácido {m} | :: oxyacid |
| oxalacetato {m} | :: oxaloacetate |
| oxalato {m} | :: oxalate |
| oxálico {adj} | :: oxalic |
| oxaloacetato {m} | :: oxaloacetate |
| oxaloacético {adj} | :: oxaloacetic |
| oxalocrotonato {m} | :: oxalocrotonate |
| oxazol {m} | :: oxazole |
| oxear {v} | :: to shoo away |
| oxhídrico {adj} | :: oxyhydrogen |
| oxhidrilo {m} | :: hydroxyl |
| oxi- {prefix} | :: oxy- |
| oxiácido {m} | :: alternate form of oxácido ("oxyacid") |
| oxicloruro {m} | :: oxychloride |
| oxicorte {m} | :: oxyfuel cutting |
| oxidable {adj} | :: oxidizable |
| oxidación {f} | :: oxidation |
| oxidado {adj} | :: rusty |
| oxidado {adj} | :: rusty (out of practice or use) |
| oxidante {m} | :: oxidizing agent, oxidant |
| oxidante {adj} | :: oxidizing |
| oxidar {v} | :: to oxidize |
| oxidasa {f} | :: oxidase |
| oxidativamente {adv} | :: oxidatively |
| oxidativo {adj} | :: oxidative |
| oxidiana {f} | :: synonym of obsidiana |
| óxido {m} | :: oxide |
| óxido {m} | :: rust |
| óxido de calcio {m} | :: calcium oxide |
| óxido de etileno {m} | :: ethylene oxide |
| óxido de hierro {m} | :: iron oxide |
| óxido de litio {m} | :: lithium oxide |
| óxido de magnesio {m} | :: magnesium oxide |
| óxido férrico {m} | :: ferric oxide |
| óxido ferroso {m} | :: ferrous oxide |
| óxido nítrico {m} | :: nitric oxide |
| óxido nitroso {m} | :: nitrous oxide |
| oxidorreductasa {f} | :: oxidoreductase |
| oxigenación {f} | :: oxygenation |
| oxigenar {v} | :: to oxygenate |
| oxigenasa {f} | :: oxygenase |
| oxígeno {m} | :: oxygen |
| oxigenoterapia {f} | :: oxygen therapy |
| oxihemoglobina {f} | :: oxyhemoglobin |
| oxilipina {f} | :: oxylipin |
| oximercuración {f} | :: oxymercuration |
| oximetría {f} | :: oximetry |
| oxímetro {m} | :: oximeter |
| oxímoron {m} | :: oxymoron (figure of speech) |
| oxitocina {f} | :: oxytocin |
| oxiuro {m} | :: pinworm |
| oxoanión {m} | :: oxoanion |
| oxocarbenio {m} | :: oxocarbenium |
| oxonio {m} | :: oxonium |
| oyamel {m} | :: sacred fir (Abies religiosa) |
| oye {interj} | :: hey |
| oyente {mf} | :: listener |
| oyente {mf} | :: hearer, hearing person |
| oyente {mf} | :: auditor, unregistered student, student who sits in lectures despite not being an official student |
| Oyón {prop} | :: Oyón (province) |
| ozonización {f} | :: ozonization |
| ozono {m} | :: ozone |
| ozonólisis {f} | :: ozonolysis |