- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
153 entries under persistent topic. ×
| tenacious(adjective, strong, sound, tough, fit) | |
| unceasing(adjective, steady, stable, constant) | |
| unqualified(adjective, strong, complete, flat, firm) | |
| continual(adjective, certain, determined, stable) | |
| faithful(adjective, close, correct, firm, certain) | |
| uninterrupted(adjective, steady, constant, monotonous) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| incessant(adjective, determined, steady, stable) | |
| interminable(adjective, determined, steady, constant) | |
| inveterate(adjective, certain, familiar, limited, definite) | |
| staunch(adjective, calm, close, strong, sound) | |
| forbearing(adjective, calm, quiet, gentle, flat) | |
| obstinate(adjective, determined, resolute, hardened) | |
| stubborn(adjective, set, firm, determined, resolute) | |
| sure(adjective, calm, close, strong, complete) | |
| unremitting(adjective, determined, steady, stable, resolute) | |
| unswerving(adjective, close, set, correct, firm) | |
| loyal(adjective, close, correct, firm, honest) | |
| prolonged(adjective, great, deep, high) | |
| single-minded(adjective, firm, solid, determined, steady) |
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| APA | Smart Define. (2016). enduring thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, enduring thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>. |
| MLA | Smart Define. "enduring thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms> |