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authentic definition


This page has 4 definitions of authentic in English. Authentic is an adjective. Examples of how to use authentic in a sentence are shown. Also define these 0 related words and terms: .


Alternative forms


From Middle English authentik, from Old French autentique, from Latin authenticus, from Ancient Greek αὐθεντικός (authentikós, principal, genuine), from Ancient Greek αὐθέντης (authéntēs, lord, master).



authentic (comparative more authentic, superlative most authentic)

  1. Of the same origin as claimed; genuine.
    The experts confirmed it was an authentic signature.
  2. Conforming to reality and therefore worthy of trust, reliance, or belief.
    The report was completely authentic.
    an authentic writer; an authentic portrait; authentic information
  3. (music, of a Gregorian mode) Having the final as the lowest note of the mode.
  4. (obsolete) Authoritative.



Derived terms


The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Dictionary:Entry layout § Translations.


  • authentic at OneLook Dictionary Search
  • authentic in Keywords for Today: A 21st Century Vocabulary, edited by The Keywords Project, Colin MacCabe, Holly Yanacek, 2018.
  • authentic in The Century Dictionary, New York, N.Y.: The Century Co., 1911