| counterfeit(adjective, fake, honest, false, genuine) | |
| fake(adjective, false, genuine) | |
| unreal(adjective, fake, false, real, hypothetical) | |
| false(adjective, open, sound, right, fake) | |
| artificial | |
| bogus(adjective, counterfeit, genuine) | |
| spurious(adjective, fake, counterfeit, true) | |
| unauthorized(adjective, fake, false) | |
| hypocritical(adjective, deceitful, pretending) | |
| fictitious(adjective, honest, factual) | |
| fraudulent(adjective, open, false, genuine, deceptive) | |
| mock(adjective, fake, true, artificial) | |
| phony(adjective, genuine) | |
| sham(noun, real) | |
| surreal(adjective, true) | |
| untrustworthy(adjective, fake, false) | |
| apocryphal(adjective, fake, questionable) | |
| factitious | |
| invalid(adjective, fake, false) | |
| pseudo |
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| APA | Smart Define. (2016). authentic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authentic/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, authentic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authentic/thesaurus/antonyms>. |
| MLA | Smart Define. "authentic thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/authentic/thesaurus/antonyms> |