| unfaked(adjective, correct, right, honest, perfect) | |
| unfanciful | |
| unfeigning | |
| unfictitious | |
| unflattering | |
| unimagined | |
| unimitated | |
| unimpeachable(true, real, absolute, indisputable, unmistakable) | |
| uninvented | |
| unmingled(adjective, simple, bright, clean, plain) | |
| unmistakable(adjective, close, correct, solid, exact) | |
| unmixed(adjective, simple, clean, plain, pure) | |
| unpretended(true, real, indisputable) | |
| unpretending | |
| unqualified(adjective, open, right, warm, honest) | |
| unvarnished | |
| weighty(good, sound, right, reasonable, rational) | |
| word-for-word | |
| admissible(valid, lawful, rightful) | |
| approved |
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| APA | Smart Define. (2016). authentic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/authentic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, authentic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/authentic/thesaurus/synonyms>. |
| MLA | Smart Define. "authentic thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/authentic/thesaurus/synonyms> |