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authentic

adjectivecommon in dialogue

  • United Kingdom//ɒˈθɛn.tɪk//
  • United States//ɔˈθɛn.tɪk//
  • //ɑˈθɛn.tɪk//

Of the same origin as claimed; genuine.

adjective

  1. 1

    Of the same origin as claimed; genuine.

    The experts confirmed it was an authentic signature.

  2. 2

    Conforming to reality and therefore worthy of trust, reliance, or belief.

    an authentic writer; an authentic portrait; authentic information

    The report was completely authentic.

  3. 3

    Designating a mode having the final as the lowest note.

  4. 4

    Designating a cadence in which the dominant chord precedes the tonic.

  5. 5

    obsoleteAuthoritative.

    [T]here they find Ignatius, and then they beleeve him not for his ovvn Authority, but for a truths ſake, vvhich they derive from elſ vvhere: to vvhat end then ſhould they cite him as authentick for Epiſcopacie, vvhen they cannot knovv vvhat is authentick in him, but by the judgement vvhich they brought vvith them, and not by any judgement vvhich they might ſafely learne from him.

Etymology

From Middle English authentik, from Old French autentique, from Latin authenticus, from Ancient Greek αὐθεντικός (authentikós, “authentic, genuine”), from Ancient Greek αὐθέντης (authéntēs, “perpetrator, murderer, absolute ruler”). Doublet of effendi.

Forms

comparative
more authentic
superlative
most authentic
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).