ob-
/ɒb/prefix
1Denoting exposure or openness: obverse
1.1Expressing meeting or facing: occasion
2Denoting opposition, hostility, or resistance: opponent
2.1Denoting hindrance, blocking, or concealment: obviate
3Denoting finality or completeness: obsolete
4(In modern technical words) in a direction or manner contrary to the usual; inversely: obconical
Usage
Ob- occurs mainly in words of Latin origin; it is also found assimilated in the following forms: oc- before c; of- before f; op- before p.
Origin
From Latin ob 'towards, against, in the way of'.
- disable
- disabled
- disabled-accessible
- disabled-friendly
- disabled list
- disablement
- disableness
- disabler
- disablist
- disabuse
- disaccharide
- disaccord
- disadvantage
- disadvantaged
- disadvantageous
- disadvantageously
- disaffect
- disaffected
- disaffectedly
- disaffection
- disaffiliate
- disaffiliation
- disaffirm
- disaffirmation
- disafforest