Adjacent Words

ob- definitions

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Merriam Webster's

prefix Etymology: New Latin, from Latin, in the way, against, toward, from ob in the way of, on account of; akin to Old Church Slavic o, ob on, around inversely <obovate>

Oxford Reference Dictionary

prefix (also oc- before c, of- before f, op- before p) occurring mainly in words of Latin origin, meaning: 1 exposure, openness (object; obverse). 2 meeting or facing (occasion; obvious). 3 direction (oblong; offer). 4 opposition, hostility, or resistance (obstreperous; opponent; obstinate). 5 hindrance, blocking, or concealment (obese; obstacle; occult). 6 finality or completeness (obsolete; occupy). 7 (in modern technical words) inversely; in a direction or manner contrary to the usual (obconical; obovate). Etymology: L f. ob towards, against, in the way of

Webster's 1913 Dictionary

Ob- Ob- [L. ob, prep. Cf. Epi-.] A prefix signifying to, toward, before, against, reversely, etc.; also, as a simple intensive; as in oblige, to bind to; obstacle, something standing before; object, lit., to throw against; obovate, reversely, ovate. Ob- is commonly assimilated before c, f, g, and p, to oc-, of-, og-, and op-.