- Definitions|1
- Thesaurus|229
- Abbreviations|0
14 entries under the best topic. ×
| incontrovertible(adjective, certain, ideal, all time) | |
| indisputable(adjective, certain, ideal, all time) | |
| undeniable(adjective, certain, ideal, all time) | |
| incontestable(adjective, certain, ideal, all time) | |
| unquestionable(adjective, certain, ideal, all time) | |
| unanswerable(adjective, ideal, demonstration, all time) | |
| certain(adjective, certain, ideal, all time) | |
| sure(adjective, certain, ideal, all time) | |
| unequivocal(adjective, certain, ideal, all time) | |
| cogent(adjective, ideal, all time) | |
| inarguable(adjective, ideal, all time) | |
| ultimate(adjective, ideal, all time) | |
| unchallengeable(adjective, ideal, all time) | |
| undisputed(adjective, ideal, all time) |
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| APA | Smart Define. (2015). irrefragable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/irrefragable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "irrefragable thesaurus" https://smartdefine.org/irrefragable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, irrefragable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/irrefragable/thesaurus/synonyms>. |
| MLA | Smart Define. "irrefragable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/irrefragable/thesaurus/synonyms> |