- Definitions|2
- Thesaurus|441
- Abbreviations|0
| testable | |
| true(adjective, sound, reasonable, certain, rational) | |
| unambiguous(adjective, definite, precise, sure, decisive) | |
| unanswered | |
| unarguable(adjective, definite, precise, sure, decisive) | |
| unconditional(adjective, definite, precise, sure, decisive) | |
| unconfutable | |
| undependable(adjective, careless, immoral, thoughtless, reckless) | |
| unmistakable(adjective, definite, precise, sure, decisive) | |
| unrefutable | |
| unreliable(adjective, careless, immoral, thoughtless, reckless) | |
| unsubject | |
| unsusceptible(adjective, safe, unaffected, protected, resistant) | |
| untrustworthy(adjective, careless, immoral, thoughtless, reckless) | |
| verifiable | |
| what you see is what you get(expression, adjective, idiom, definite, precise) | |
| absurd(adjective, intolerable, ungovernable) | |
| advantage | |
| apodeictic | |
| apodeictical |
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| APA | Smart Define. (2015). unanswerable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unanswerable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unanswerable thesaurus" https://smartdefine.org/unanswerable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, unanswerable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unanswerable/thesaurus/synonyms>. |
| MLA | Smart Define. "unanswerable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unanswerable/thesaurus/synonyms> |