144 entries under solid topic. ×
| systematic(adjective, close, correct, exact) | |
| tried and true(expression, adjective, idiom, strong, easy) | |
| true-hearted(good, strong, steady, consistent) | |
| ultraprecise(adjective, close, correct, exact) | |
| unanxious(adjective, strong, easy, certain) | |
| unbreakable(adjective, severe, firm, harsh) | |
| undoubtful(adjective, strong, easy, firm) | |
| unflappable(adjective, firm, certain, determined) | |
| well-founded(adjective, strong, easy, certain) | |
| cinch(adjective, strong, easy, certain) | |
| collected(adjective, certain, sure, confident) | |
| composed(adjective, certain, sure, confident) | |
| high-principled(good, strong, steady, consistent) | |
| hopeful(adjective, strong, easy, certain) | |
| loyal(good, strong, firm, steady) | |
| matter of fact(expression, idiom, correct, proper) | |
| responsible(adjective, good, strong, true) | |
| rosy(adjective, pleasant, certain, sure) | |
| sterling(good, strong, consistent, trustworthy) | |
| there(good, strong, steady, consistent) |
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| APA | Smart Define. (2016). definite thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/definite/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, definite thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>. |
| MLA | Smart Define. "definite thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms> |