166 entries under firm topic. ×
| straight(adjective, close, correct, flat) | |
| undeviating(adjective, strong, flat, solid) | |
| undoubting(adjective, set, clear, certain) | |
| unshaken(adjective, set, clear, strong, flat) | |
| unyielding(adjective, strong, tough, flat) | |
| inflexible(adjective, strong, tough, flat) | |
| regular(adjective, reasonable, sensible, solid) | |
| stout(adjective, calm, strong, tough) | |
| sturdy(adjective, calm, strong, tough, continue) | |
| wholehearted(adjective, set, complete, honest) | |
| conscientious(adjective, good, close, strong, correct) | |
| durable(adjective, calm, strong, secure) | |
| even(adjective, adverb, calm, strong, secure) | |
| forceful(adjective, clear, energetic, certain) | |
| in the bag(expression, adjective, idiom, strong, easy) | |
| incorruptible(adjective, close, correct, honest) | |
| known(adjective, clear, understanding, keen) | |
| loyal(adjective, good, close, strong, correct) | |
| on ice(expression, adjective, clear, strong, easy) | |
| persistent(adjective, strong, tough, flat) |
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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> |