i Register
In some senses, ob- is marked as informal, idiomatic, humorous. Watch for register when choosing this word.
ob-
prefix 3
Definitions
prefix
1
Against; facing; a combining prefix found in verbs of Latin origin.
2
Of a reversed shape.
prefix
1
Obligatory; prepended to the name of a topic being mentioned to avoid accusations of being off-topic.
ObGoth: Uh, well, it's like this you see, anyone out there got the new CoX album on Tess? If so which album is it *most* like?
Aren't Newcastle's chairman Sunderland supporters? (From the way they acted?) Erm...obspeccy? Tynesoft, eh? What happened to them?
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