- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
116 entries under certain topic. ×
| substantive(material, substantial, real, genuine) | |
| surefire(established, accurate, unquestionable, undisputable) | |
| telling(clear, definite, precise, sure) | |
| uncompromising(clear, definite, positive, confident) | |
| unshakable(clear, definite, established, accurate) | |
| verified(adjective, true, substantial, real) | |
| abiding(clear, definite, unquestionable, undisputable) | |
| affirmative(clear, sure) | |
| bound(unquestionable, undisputable) | |
| bound to be(expression, idiom, unquestionable, undisputable) | |
| changeless(clear, definite, unquestionable, undisputable) | |
| cocksure(clear, sure) | |
| constant(clear, definite, unquestionable, undisputable) | |
| enduring(clear, definite, unquestionable, undisputable) | |
| forceful(clear, powerful, sure) | |
| forcible(clear, sure) | |
| free from doubt(expression, idiom, clear, definite) | |
| inerrant(unquestionable, undisputable, inevitable) | |
| inevasible | |
| never-failing(clear, definite, positive, confident) |
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| APA | Smart Define. (2015). undeniable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undeniable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undeniable thesaurus" https://smartdefine.org/undeniable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, undeniable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undeniable/thesaurus/synonyms>. |
| MLA | Smart Define. "undeniable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/undeniable/thesaurus/synonyms> |