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

     

    patent

     adjective
    adjective
    BrE BrE//ˈpeɪtnt//
     
    ; NAmE NAmE//ˈpeɪtnt//
     
    , also NAmE//ˈpætnt//
     
    [only before noun]
     
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  1. 1connected with a patent patent applications/laws the US Patent Office
  2. 2(of a product) made or sold by a particular company patent medicines
  3. 3(formal) used to emphasize that something bad is very clear and obvious synonym blatant It was a patent lie.
  4. Word Origin late Middle English: from Old French, from Latin patent- ‘lying open’, from the verb patere. The noun sense is from letters patent.
See the Oxford Advanced American Dictionary entry: patent