119 entries under firm topic. ×
| unyielding(adjective, strong, tough, flat) | |
| bold(adjective, polite, resolute, brave) | |
| bound(adjective, strong, tough, flat) | |
| courageous(adjective, polite, resolute, brave) | |
| dutiful(adjective, close, kind, correct) | |
| immovable(adjective, fixed, resolute, persistent) | |
| on the level(expression, adjective, idiom, good, close) | |
| resolved(adjective, strong, certain, definite) | |
| serious(adjective, strong, open, warm) | |
| tough(adjective, strong, determined, careful) | |
| unambiguous(adjective, clear, sound, plain) | |
| unfaltering(adjective, strong, complete, warm) | |
| unmistakable(adjective, clear, correct, solid) | |
| dogged(adjective, strong, tough, determined) | |
| enduring(adjective, close, strong, correct, flat) | |
| loving(adjective, close, kind, correct) | |
| relentless(adjective, strong, tough, determined) | |
| secure(adjective, good, honest, sensible) | |
| strong(adjective, good, sound, tough, reasonable) | |
| valiant(adjective, polite, resolute, brave) |
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| APA | Smart Define. (2016). true thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/true/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, true thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/true/thesaurus/synonyms>. |
| MLA | Smart Define. "true thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/true/thesaurus/synonyms> |