Pronunciation change

  • (US) IPA (key): /ɔ.ˈθɛn.tɪk/ or /ɒ.ˈθɛn.tɪk/
  • (file)

Adjective change

Positive
authentic

Comparative
none

Superlative
none

  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.
  3. (old, no longer used) Having authority.