455 entries under adjective topic. ×
| uncompromising(tough, firm, deliberate, determined) | |
| uniform(steady, regular, even, constant) | |
| urgent | |
| bulldogged(determined, tenacious) | |
| contumacious(tough, firm, determined, obstinate) | |
| definite(strong, firm, certain, unyielding) | |
| deliberate(intense, determined, resolute, intentional) | |
| even(steady, regular, constant, uniform) | |
| fearless | |
| monotonous(common, regular, normal, constant) | |
| never-ending(determined, steady, regular, even) | |
| ongoing | |
| perdurable(continue, sturdy, constant, enduring) | |
| protracted(continue, continuous, lasting, continuing) | |
| recalcitrant(tough, firm, obstinate, stubborn) | |
| solid(strong, tough, firm, certain) | |
| spunky(resolute, tenacious) | |
| strong-minded(firm, determined, fixed, serious) | |
| thorough | |
| unbending(strong, tough, severe, flat) |
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| APA | Smart Define. (2015). persistent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, persistent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>. |
| MLA | Smart Define. "persistent thesaurus" 1 June 2015. Web. 21 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms> |