unauthentic

adjective
un·au·then·tic | \ˌən-ə-ˈthen-tik, -ȯ-\

Definition of unauthentic 

: not real, accurate, or sincere : not authentic : inauthentic an unauthentic document unauthentic ingredients

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Other Words from unauthentic

unauthentically \ˌən-ə-ˈthen-ti-k(ə-)lē, -ȯ- \ adverb
unauthenticity \ˌən-ˌȯ-ˌthen-ˈti-sə-tē, -thən- \ noun

Synonyms & Antonyms for unauthentic

Synonyms

bogus, counterfeit, fake, false, forged, inauthentic, phony (also phoney), sham, spurious

Antonyms

authentic, bona fide, genuine, real, unfaked

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First Known Use of unauthentic

1631, in the meaning defined above

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The first known use of unauthentic was in 1631

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