Definition of ambiguous adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//æmˈbɪɡjuəs//
    ; NAmE NAmE//æmˈbɪɡjuəs//
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  1. 1that can be understood in more than one way; having different meanings an ambiguous word/term/statement Her account was deliberately ambiguous.
  2. 2not clearly stated or defined His role has always been ambiguous.
  3. opposite unambiguous
    Word Originearly 16th cent. (in the sense ‘indistinct, obscure’): from Latin ambiguus ‘doubtful’ (from ambigere ‘waver, go around’, from ambi- ‘both ways’ + agere ‘to drive’) + -ous.Extra examples I suspected that he was being deliberately ambiguous. The paragraph is rendered ambiguous by the writer’s careless use of pronouns. ‘We’ is a notoriously ambiguous word: does it mean ‘you and I’ or ‘he/​she and I’, ‘everyone’ or just ‘some people’? It is for the jury to decide what an ambiguous statement was intended to mean.
See the Oxford Advanced American Dictionary entry: ambiguous