147 entries under strong topic. ×
| relentless(adjective, tough, firm, determined) | |
| specific(adjective, clear, correct, plain) | |
| stalwart(adjective, calm, tough, firm) | |
| tenacious(adjective, flat, firm, solid) | |
| tough(adjective, calm, firm, solid) | |
| true-blue(adjective, good, close, correct) | |
| unbending(adjective, flat, certain, determined) | |
| unimpeachable(adjective, set, solid, certain) | |
| upright(adjective, close, correct, firm) | |
| adamant(adjective, tough, flat, firm) | |
| anchored(adjective, calm, secure, firm) | |
| balanced(adjective, calm, secure, easy) | |
| bent(certain, definite, resolved, unalterable) | |
| brick-wall(adjective, calm, secure, firm) | |
| calm(adjective, quiet, cool, secure) | |
| candid(adjective, good, complete, warm) | |
| consistent(adjective, reasonable, flat, firm) | |
| dead set on(expression, idiom, firm, solid) | |
| deep-rooted(adjective, calm, solid, steady) | |
| devoted(adjective, good, close, correct) |
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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> |