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



    BrE BrE//ɪnˈdʒiːniəs//
    ; NAmE NAmE//ɪnˈdʒiːniəs//
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  1. 1(of an object, a plan, an idea, etc.) very suitable for a particular purpose and resulting from clever new ideas an ingenious device ingenious ways of saving energy His plots are always very ingenious.
  2. 2(of a person) having a lot of clever new ideas and good at inventing things an ingenious cook She's very ingenious when it comes to finding excuses. See related entries: Clever
  3. Word Originlate Middle English: from French ingénieux or Latin ingeniosus, from ingenium ‘mind, intellect’; compare with engine.Extra examples a most ingenious device She’s very ingenious when it comes to finding excuses. an ingenious device/​invention/​experiment
See the Oxford Advanced American Dictionary entry: ingenious