192 entries under firm topic. ×
| persisting(adjective, determined, steady, stable) | |
| scrupulous(adjective, close, correct, honest) | |
| dutiful(adjective, close, kind, correct) | |
| indomitable(adjective, strong, determined, steady) | |
| sincere(adjective, good, close, strong, sound) | |
| single-minded(adjective, sensible, solid, steady) | |
| true blue(expression, idiom, honest, true) | |
| uncompromising(adjective, clear, fixed, resolute) | |
| unshaken(adjective, set, clear, strong, flat) | |
| accurate(adjective, close, complete, correct) | |
| balanced(adjective, calm, strong, secure, smooth) | |
| calm(adjective, quiet, strong, secure, smooth) | |
| definite(adjective, good, clear, strong, complete) | |
| indelible(adjective, true, fixed, steadfast) | |
| patient(adjective, strong, determined, steady) | |
| pertinacious(adjective, strong, determined, active) | |
| strong-minded(adjective, determined, serious, resolute) | |
| strong-willed(adjective, strong, serious, resolute) | |
| tried and true(expression, adjective, idiom, close, correct) | |
| true-blue(adjective, good, close, strong, kind) |
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| APA | Smart Define. (2016). constant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/constant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, constant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>. |
| MLA | Smart Define. "constant thesaurus" 12 February 2016. Web. 25 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms> |