ob-

From Latin ob.

ob-

1. (non-productive) Against; facing; a combining prefix found in verbs of Latin origin.
2. (botany) Of a reversed shape.

• (against): anti-, counter-, contra-, dys-

Clipping of obligatory.

ob-

1. (Internet, informal, humorous) Obligatory; prepended to the name of a topic being mentioned to avoid accusations of being off-topic.
   • 1998, Haydn Black, “lesbian goths”, in alt.gothic (Usenet):

     ObGoth: Uh, well, it's like this you see, <searches in random file o' obgoth things> anyone out there got the new CoX album on Tess? If so which album is it *most* like?

   • 1998, Peter Thomas, “FAQ: more info request”, in comp.sys.sinclair (Usenet):

     Aren't Newcastle's chairman Sunderland supporters? (From the way they acted?) Erm...obspeccy? Tynesoft, eh? What happened to them?

   • 2000, Dan Glover, “Introduction to Linux article for commentary”, in alt.linux (Usenet):

     ObLinux: SAP were giving away a free development environment for use with RedHat v6.1 recently, a distinctly non-free complete system has been available for a while. This offers another example of a commercial application where the vendors now have sufficient confidence in Linux to release a port (even if it is distribution-specific).

• BO, Bo, bo

Inherited from Proto-Slavic *ob, from Proto-Indo-European *h₃ebʰi. See o.

ob-

1. a prefix with various functions, e.g. expressing:

   omission (obden = ob + den (day) = every other day)

   surrounding (objet = ob + jet (drive) = to drive around)

• obe-

• o-/ob(e)- in Slovník afixů užívaných v češtině, 2017

From ob (“over, above”).

ob-

1. over-, super-

From Latin ob-.

ob-

1. ob-

• obs-
• os-

Prefixation of preposition ob (“towards; against”).

ob-

1. towards; against

In compounds, the b is often assimilated into the next consonant.

Inherited from Proto-Slavic *o(b)-.

• IPA^(key): (10^th–15^th CE) /ɔb/
• IPA^(key): (15^th CE) /ɔb/

ob-

1. prefix added to verbs to mean surrounding, around

   ‎ob- + ‎ić → ‎obić

2. prefix added to verbs with various meanings

   ‎ob- + ‎mówić → ‎obmówić

• o

• obe-

Inherited from Old Polish ob-. Doublet of o-.

• IPA^(key): /ɔb/

• Audio:

  (file)

• Rhymes: -ɔb
• Syllabification:

ob-

1. prefix added to verbs to mean surrounding, around

   ‎ob- + ‎jechać → ‎objechać

   Synonym: o-

2. prefix added to verbs meaning entirely

   ‎ob- + ‎jeść (“to eat”) → ‎objeść się (“to eat and be overstuffed”)

Because the prefix ends with the consonant sometimes the first letter of the verb was dropped.

1. ‎ob- + ‎źrzeć → ‎obejrzeć

   ‎ob- + ‎walić → ‎obalić

• o

• o- (usually before plosives, sometimes also other consonants)
• op- (before unvoiced consonants)
• oba- (in a few words)

Inherited from Proto-Slavic *ob, from Proto-Indo-European *h₃ebʰi. See o.

• IPA^(key): /ob/

ob- (Cyrillic spelling об-)

1. around, enclosing, surrounding

   jahati → objahati

   grliti → obgrliti

   kružiti → okružiti

2. around, throughout, wholly

   javiti → objaviti

   uzeti → obuzeti

   lizati → oblizati

3. on the surface or top of something

   grepsti → ogrepsti

4. forms perfective verbs from imperfectives

   hrabriti → ohrabriti

5. quite, -ish

   malen → omalen