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 Origin early 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