- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
145 entries under constant topic. ×
| unchangeable(adjective, calm, strong, secure, flat) | |
| continual(adjective, certain, determined, stable, persistent) | |
| faithful(adjective, close, correct, firm, certain) | |
| unflagging(adjective, set, strong, steady) | |
| uninterrupted(adjective, steady, persistent, monotonous) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| deathless(adjective, abundant, endless, supreme) | |
| incessant(adjective, determined, steady, stable, persistent) | |
| infinite(adjective, end, abundant, unrestrained) | |
| interminable(adjective, determined, steady, persistent) | |
| inveterate(adjective, certain, familiar, limited, definite) | |
| perdurable(adjective, calm, strong, continue, substantial) | |
| secure(adjective, calm, strong, sound, tough) | |
| staunch(adjective, calm, close, strong, sound) | |
| sturdy(adjective, calm, strong, sound, secure) | |
| tough(adjective, calm, strong, sound, fit) | |
| stubborn(adjective, set, firm, determined, resolute) | |
| sure(adjective, calm, close, strong, complete) | |
| unfading(stable, fixed, lasting, durable) | |
| unremitting(adjective, determined, steady, stable, resolute) |
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| APA | Smart Define. (2016). enduring thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, enduring thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>. |
| MLA | Smart Define. "enduring thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms> |