163 entries under solid topic. ×
| iron(adjective, strong, tough, firm) | |
| lasting(calm, strong, firm, certain) | |
| liege(adjective, firm, honest, pure) | |
| made certain(expression, adjective, certain, confident) | |
| nailed(adjective, calm, strong, secure, firm) | |
| nailed down(expression, adjective, strong, easy) | |
| pat(firm, steady, absolute, necessary) | |
| perdurable(calm, strong, steady, substantial) | |
| permanent(calm, strong, firm, true) | |
| proved(good, strong, important, steady) | |
| racked(adjective, certain, bold, confident) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| sewed up(expression, adjective, certain, confident) | |
| sincere(adjective, good, close, strong, correct) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| stabile(adjective, calm, strong, secure, firm) | |
| stationary(calm, strong, steady, substantial) | |
| staying put(expression, calm, strong, substantial) | |
| there(good, strong, certain, steady) | |
| tight(adjective, strong, tough, firm) |
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| APA | Smart Define. (2016). sure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sure/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, sure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms> |