166 entries under firm topic. ×
| determined(verb, adjective, good, clear, strong) | |
| fixed(adjective, clear, strong, flat) | |
| strong(adjective, calm, good, strong, tough) | |
| trusty(adjective, good, close, strong, correct) | |
| fast(adjective, calm, close, quality, strong) | |
| set(verb, adjective, calm, strong, secure) | |
| undoubted(adjective, clear, sound, correct) | |
| unfaltering(adjective, complete, total, solid) | |
| unqualified(adjective, clear, strong, complete, flat) | |
| true(adjective, adverb, good, close, clear) | |
| unwavering(adjective, calm, close, strong, secure) | |
| faithful(adjective, good, close, strong, correct) | |
| guaranteed(adjective, clear, hard, sound) | |
| self-confident(adjective, strong, certain, definite) | |
| sound(adjective, calm, clear, strong, secure) | |
| unambiguous(adjective, clear, sound, plain) | |
| assertive(adjective, energetic, certain, positive) | |
| bound(adjective, set, strong, tough, flat) | |
| real(adjective, clear, sound, correct) | |
| staunch(adjective, calm, good, close, strong) |
For more, visit
Sure on
Power Thesaurus
| 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> |