94 entries under unquestionable topic. ×
| never-failing(adjective, clear, strong, complete, flat) | |
| persuaded(adjective, clear, certain, undisputable) | |
| safe(adjective, good, clear, strong, firm) | |
| satisfied(adjective, clear, certain, undisputable) | |
| sure thing(expression, adjective, clear, strong, easy) | |
| surefire(adjective, solid, certain, sure, confident) | |
| unanswerable(certain, precise, sure, absolute, decisive) | |
| undisputable(adjective, plain, certain, unambiguous) | |
| unshaken(clear, strong, firm, certain, unyielding) | |
| bound to be(expression, idiom, certain, undisputable) | |
| for a fact(expression, idiom, clear, certain, sure) | |
| free from doubt(expression, idiom, clear, certain) | |
| inerrant(certain, undisputable) | |
| sure-fire(certain, sure, undisputable) |
For more, visit
Definite on
Power Thesaurus
| APA | Smart Define. (2016). definite thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/definite/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, definite thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>. |
| MLA | Smart Define. "definite thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms> |