75 entries under regular topic. ×
| consistent(adjective, strong, strain, flat, certain) | |
| stable(adjective, strong, tough, strain, flat) | |
| unfluctuating(adjective, strain, steady, firmness) | |
| constant(adjective, strong, tough, continue, strain) | |
| steadfast(adjective, feature, state, characteristic, strong) | |
| steady(adjective, feature, state, characteristic, strong) | |
| perpetual(adjective, continue, strain, determined, usual) | |
| permanent(adjective, strong, tough, continue, strain) | |
| invariable(adjective, strain, certain, stable) | |
| stabile(adjective, strain, steady, firmness) | |
| continual(adjective, continue, certain, determined, usual) | |
| continuous(adjective, continue, firm, certain, steady) | |
| unremitting(adjective, strong, continue, firm, determined) | |
| unwavering(adjective, strong, flat, firm, intense) | |
| incessant(adjective, strong, continue, firm, determined) | |
| unfaltering(adjective, strong, firm, intense, deliberate) | |
| fixed(adjective, strong, tough, flat, firm) | |
| unfailing(adjective, strong, continue, firm, certain) | |
| ceaseless(adjective, continue, certain, steady) | |
| chronic(adjective, continue, usual, routine) |
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| APA | Smart Define. (2015). persistent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, persistent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>. |
| MLA | Smart Define. "persistent thesaurus" 1 June 2015. Web. 20 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms> |