/ Dictionary / Index I inauthentic: Meaning and Definition of Find definitions for: in•au•then•tic Pronunciation: (in"ô-then'tik), [key] — adj. not authentic: inauthentic Indian jewelry mass-produced in a factory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inauthentic (Thesaurus) inauspicious in-basket Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language