adeo

From French adieu.

• IPA^(key): /ˈa.deo/

adeo

1. farewell, goodbye

• ciao

• (Classical Latin) IPA^(key): /ˈa.de.oː/,
• (modern Italianate Ecclesiastical) IPA^(key): /ˈa.de.o/,

ad- (“to, towards”) +‎ eō (“there; so much”)

adeō (not comparable)

1. so, thus, so much

   Synonym: tam

   • 166 BCE, Publius Terentius Afer, Andria 1.1.92:

     et voltū, Sōsia, adeō modestō, adeō venustō ut nīl suprā.

   • 65 BCE – 8 BCE, Horace, Epistulae 1.1.39:

     nēmō adeō ferus est, ut nōn mītēscere possit, sī modo cultūrae patientem commodet aurem.

   • 106 BCE – 43 BCE, Cicero, Pro Rabirio perduellionis reo 10.28:

     adeōne hospes hujus urbis, adeōne ignārus es disciplīnae consvētūdinisque nostrae, ut haec nesciās?

   • 70 BCE – 19 BCE, Virgil, Eclogues 2.25:

     nec sum adeō īnformis:

   • 27 BCE – 25 BCE, Titus Livius, Ab Urbe Condita 21.11.1:

     cum Hannō perōrāsset, nēminī omnium cum eō certare necesse fuit: adeō prope omnis senātus Hannibalis erat:

2. (postpositive) just, indeed, precisely
   • c. 190 BCE, Plautus, Curculio 5.3.1:

     argentāriīs male crēdī quī ajunt, nūgās praedicant: nam et bene et male crēdī dīcō; id adeo hodiē ego expertus sum.

   • 69 BCE, Cicero, Pro Caecina 30.87:

     id adeo, sī placet, consīderāte

3. (following a negation, in a negative sentence) let alone

The sense "just, indeed, precisely" fulfils a similar role to Ancient Greek γε (ge).

ad- (“to, towards”) +‎ eō (“go”)

adeō (present infinitive adīre, perfect active adiī or adīvī, supine aditum); irregular conjugation

1. to approach, go to

   Synonyms: vādō, ambulō, deambulō, cammīnō, obeō, pergō, baetō, eō, gradior, subeō, cēdō, īnferō, aggredior, adorior, ēvehō, incēdō

   Antonyms: facessō, dēcēdō, discēdō, cēdō, dēficiō, concēdō, inclīnō, recēdō, recipiō, referō

   • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico VII.25:

     Quod nec facile adire apertos ad auxiliandum animadvertebant

     Because they perceived that being militarily undefended could not easily go to give assistance

2. to attend (a performance)
3. to undertake, undergo

   Synonyms: ineō, obeō, sūmō, assūmō

4. to assail, attack

   Synonyms: invādō, incurrō, impetō, aggredior, īnstō, oppugnō, excurrō, concurrō, occurrō, petō, accēdō, intrō, incēdō, irrumpō, adorior, opprimō, inruō, incidō, accurrō, appetō, arripiō, assiliō, invehō, incessō, lacessō

   Antonyms: repugnō, resistō, adversor, obversor, obstō, sistō

5. (reflexive) to present (oneself)
6. (of inheritance) to take possession of
   • Pliny the Younger, Epistles II.4:

     Si pluribus pater tuus vel uni cuilibet alii quam mihi debuisset, fuisset fortasse dubitandum an adires hereditatem etiam viro gravem.

     If your father had been indebted to more than one person or even to one person other than me, it might be doubtful whether you would enter into the inheritance, which would be burdensome even for a man.

Irregular, but similar to fourth conjugation. The third principal part is most often contracted to adiī, but occasionally appears as adīvī.

¹The present passive infinitive in -ier is a rare poetic form which is attested.

• Catalan: adir
• Italian: adire
• Spanish: adir

• “adeo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “adeo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• adeo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• adeo in Enrico Olivetti, editor (2003-2025), Dizionario Latino, Olivetti Media Communication
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • to incur danger, risk: pericula subire, adire, suscipere
    
  • to make a pilgrimage to the shrines of the gods: templa deorum adire
    
  • to consult the Sibylline books: libros Sibyllinos adire, consulere, inspicere
    
  • to give audience to some one: conveniendi aditum dare alicui
    
  • to ask a hearing, audience, interview: aditum conveniendi or colloquium petere
    
  • to take possession of an inheritance: hereditatem adire, cernere
    
• adeo in Ramminger, Johann (2016 July 16 (last accessed)) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎, pre-publication website, 2005-2016