147 entries under strong topic. ×
| unyielding(adjective, tough, flat, firm) | |
| careful(adjective, good, honest, solid) | |
| easy(adjective, calm, quiet, cool) | |
| inflexible(adjective, tough, flat, firm) | |
| resolved(verb, adjective, flat, certain) | |
| stout(adjective, calm, tough, firm) | |
| sturdy(adjective, calm, tough, continue) | |
| tried-and-true(adjective, good, honest, solid) | |
| unalterable(adjective, calm, definite, constant) | |
| conscientious(adjective, good, close, correct) | |
| durable(adjective, calm, secure, firm) | |
| even(adjective, adverb, calm, secure) | |
| immutable(calm, solid, steady, even) | |
| in the bag(expression, adjective, idiom, easy) | |
| invariable(calm, solid, certain, steady) | |
| loyal(adjective, good, close, correct) | |
| okay(adjective, adverb, interjection, good) | |
| on ice(expression, adjective, clear, easy) | |
| persistent(adjective, tough, flat, firm) | |
| poised(adjective, calm, secure, firm) |
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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> |