- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
136 entries under strong topic. ×
| robust(adjective, sound, tough, strain) | |
| stabile(adjective, calm, secure, strain) | |
| fixed(adjective, sound, tough, flat) | |
| immutable(adjective, calm, secure, firm) | |
| persevering(verb, adjective, quiet, set) | |
| unwavering(adjective, calm, close, secure) | |
| resolute(adjective, calm, close, secure) | |
| tenacious(adjective, sound, tough, fit) | |
| unchangeable(adjective, calm, secure, flat) | |
| unqualified(adjective, complete, flat, firm) | |
| indefatigable(adjective, set, fit, healthy) | |
| unflagging(adjective, set, steady, constant) | |
| unvarying(adjective, calm, secure, firm) | |
| hardy(adjective, sound, tough, fit) | |
| perdurable(adjective, calm, continue, substantial) | |
| secure(adjective, calm, sound, tough) | |
| staunch(adjective, calm, close, sound) | |
| sturdy(adjective, calm, sound, secure) | |
| tough(adjective, calm, sound, fit) | |
| determined(adjective, flat, warm, firm) |
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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> |