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



    BrE BrE//ɔːˈθentɪk//
    ; NAmE NAmE//ɔːˈθentɪk//
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  1. 1known to be real and genuine and not a copy I don't know if the painting is authentic. opposite inauthentic
  2. 2true and accurate an authentic account of life in the desert the authentic voice of young black Americans opposite inauthentic
  3. 3made to be exactly the same as the original an authentic model of the ancient town Take a trip on an authentic Spanish galleon to the famous Papagayo beach.
  4. Word Originlate Middle English: via Old French from late Latin authenticus, from Greek authentikos ‘principal, genuine’.Extra examples The documents seem authentic enough. He constructed an authentic model of the ancient town. He is the authentic voice of the poor, white working class. I don’t know if the painting is authentic. It is the most complete and authentic account of the expedition ever published. a genuine/​an authentic Picasso
See the Oxford Advanced American Dictionary entry: authentic