unauthentic

being such in appearance only and made or manufactured with the intention of committing fraud trying to sell unauthentic autographs of American presidents Synonyms of unauthentic bogus, fake, false, forged, inauthentic, phony (also phoney), queer, sham, snide, spurious, counterfeitWords Related to unauthentic artificial, factitious, imitation, man-made, mimic, mock, simulated, substitute, synthetic; dummy, nonfunctioning, ornamental; cultured, fabricated, manufactured; deceptive, delusive, misleadingNear Antonyms of unauthentic natural; actual, true, validAntonyms of unauthentic authentic, bona fide, genuine, real, unfaked