166 entries under firm topic. ×
| iron(adjective, strong, tough, solid) | |
| lasting(calm, strong, solid, certain) | |
| liege(adjective, honest, solid, pure) | |
| loving(adjective, close, correct, honest) | |
| nailed(adjective, calm, strong, secure) | |
| obdurate(adjective, strong, tough, flat) | |
| obedient(adjective, close, correct, honest) | |
| on the level(expression, adjective, idiom, close, correct) | |
| pat(solid, steady, absolute, necessary) | |
| patriotic(adjective, close, correct, honest) | |
| permanent(calm, strong, solid, true) | |
| persevering(adjective, set, strong, tough, flat) | |
| pushy(adjective, certain, confident, self-assured) | |
| scrupulous(adjective, close, correct, honest) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| sincere(adjective, good, close, strong, correct) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| stabile(adjective, calm, strong, secure) | |
| string along with(expression, adjective, idiom, close, correct) | |
| tight(adjective, strong, tough, solid) |
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| APA | Smart Define. (2016). sure thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, sure thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms> |