144 entries under sure topic. ×
| out-and-out(adjective, clear, complete, flat, total) | |
| concrete(adjective, clear, correct, solid, exact) | |
| confirmed(adjective, solid, certain, determined, usual) | |
| convinced(adjective, clear, certain, fixed) | |
| undisputed(adjective, certain, straightforward, precise) | |
| undoubted(adjective, clear, firm, solid, certain) | |
| unmitigated(adjective, clear, complete, flat, total) | |
| guaranteed(adjective, clear, firm, solid, certain) | |
| hard(adjective, clear, severe, rough, difficult) | |
| reliable(adjective, clear, strong, sound, easy) | |
| trustworthy(adjective, good, strong, firm, honest) | |
| affirmative(adjective, clear, certain, positive) | |
| bold(adjective, clear, bright, firm, solid) | |
| secure(adjective, firm, solid, certain) | |
| unhesitating(adjective, complete, firm, certain) | |
| actual(adjective, clear, correct, total, perfect) | |
| consummate(adjective, clear, complete, total, certain) | |
| solid(adjective, good, strong, correct, easy) | |
| unquestioned(adjective, complete, firm, certain, straightforward) | |
| beyond doubt(expression, adjective, solid, certain, fixed) |
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| APA | Smart Define. (2016). definite thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/definite/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, definite thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>. |
| MLA | Smart Define. "definite thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms> |