Browse the Oxford Advanced American Dictionary
- obligation
noun - obligato
- obligatory
adjective - oblige
verb - obliged
adjective - obliging
adjective - oblique
adjective - oblique angle
noun - obliterate
verb - oblivion
noun - oblivious
adjective - oblong
adjective - obloquy
noun - obnoxious
adjective - obo
abbreviation - oboe
noun - oboist
noun - obscene
adjective - obscenity
noun - obscurantism
noun - obscure
adjective - obscure
verb - obscurity
noun - obsequies
noun - obsequious
adjective - observable
adjective - observance
noun - observant
adjective - observation car
noun - observation
noun - observatory
noun - observe
verb - observer
noun - obsess
verb - obsession
noun - obsessional
adjective - obsessive
adjective - obsessive compulsive disorder
noun - obsessive
noun - obsidian
noun - obsolescence
noun - obsolete
adjective - obstacle course
noun - obstacle
noun - obstacle race
noun - obstetrician
noun - obstetrics
noun - obstinate
adjective - obstreperous
adjective - obstruct
verb
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