Browse the Oxford Advanced Learner's Dictionary
- organza
noun - orgasm
noun - orgasmic
adjective - orgiastic
adjective - orgy
noun - oriel
noun - Orient
noun - orient
verb - oriental
adjective - Oriental
noun - orientalist
noun - orientate
verb - orientation
noun - -oriented
combining form - orienteering
noun - orifice
noun - origami
noun - origin
noun - original
adjective - original
noun - original sin
noun - originality
noun - originally
adverb - originate
verb - origination
noun - originator
noun - oriole
noun - Orlando
- Orlando Gibbons
- ormolu
noun - ornament
noun - ornament
verb - ornamental
adjective - ornamentation
noun - ornate
adjective - ornately
adverb - ornery
adjective - ornithological
adjective - ornithologist
noun - ornithology
noun - orogeny
noun - orographic
adjective - orotund
adjective - orotundity
noun - orphan
noun - orphan
verb - orphanage
noun - Orson Welles
- ortho-
combining form - orthodontic
adjective