551 entries under adjective topic. ×
| sound(calm, clear, strong, secure) | |
| unambiguous(clear, sound, firm, plain) | |
| undisputable(certain, true, ideal, all time) | |
| assertive(firm, energetic, certain, positive) | |
| bound(set, strong, tough, flat) | |
| clear-cut(clear, plain, solid, certain) | |
| conclusive(clear, strong, certain, definite) | |
| inescapable(certain, obvious, necessary, inexorable) | |
| real(clear, sound, correct, firm) | |
| staunch(calm, good, close, strong) | |
| unchallengeable(ideal, all time, the best) | |
| unchangeable(calm, strong, secure, flat) | |
| uncontested(ideal, all time, the best) | |
| cogent(ideal, all time, the best) | |
| enduring(calm, close, quality, strong) | |
| for certain(expression, idiom, adverb, certain) | |
| indefeasible(ideal, all time, the best) | |
| ineluctable(certain, obvious, necessary, inexorable) | |
| irrevocable(certain, definite, decisive, necessary) | |
| precise(close, clear, correct, plain) |
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| APA | Smart Define. (2016). sure thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, sure thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms> |