- Definitions|2
- Thesaurus|770
- Abbreviations|0
115 entries under adjective topic. ×
| incontrovertible(clear, hard, certain, true) | |
| undeniable(clear, hard, certain, true) | |
| incontestable(certain, true, sure, certainty) | |
| unquestionable(correct, solid, exact, certain) | |
| indisputable(certain, true, definite, precise) | |
| certain(certain, true, definite, sure) | |
| sure(clear, firm, solid, certain) | |
| indubitable(clear, firm, solid, physical) | |
| positive(clear, certain, true, definite) | |
| absolute(clear, certain, definite, precise) | |
| conclusive(clear, certain, definite, sure) | |
| definite(clear, correct, firm, solid) | |
| irrefragable(certain, definite, precise, sure) | |
| undoubted(clear, flat, firm, solid) | |
| clear(certain, definite, precise, sure) | |
| decisive(clear, certain, definite, precise) | |
| undisputed | |
| unequivocal(clear, certain, definite, sure) | |
| unanswerable(sound, reasonable, definite, precise) | |
| unimpeachable |
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| APA | Smart Define. (2015). irrefutable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/irrefutable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "irrefutable thesaurus" https://smartdefine.org/irrefutable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, irrefutable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/irrefutable/thesaurus/synonyms>. |
| MLA | Smart Define. "irrefutable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/irrefutable/thesaurus/synonyms> |