138 entries under certain topic. ×

8
ceaseless(adjective, steady, persistent, constant)
7
resolute(adjective, calm, close, strong, secure)
7
unchangeable(adjective, calm, strong, secure, flat)
7
unqualified(adjective, strong, complete, flat, firm)
6
continual(adjective, determined, stable, persistent)
6
faithful(adjective, close, correct, firm)
6
unvarying(adjective, calm, strong, secure, firm)
5
inveterate(adjective, familiar, limited, definite)
5
staunch(adjective, calm, close, strong, sound)
4
determined(adjective, strong, flat, warm, firm)
4
prevailing(verb, adjective, strong, definite)
4
sure(adjective, calm, close, strong, complete)
3
irrevocable(adjective, unquestionable, undisputable)
3
loyal(adjective, close, correct, firm, honest)
3
set(adjective, calm, strong, secure, flat)
3
solid(adjective, calm, strong, sound, tough)
3
true(adjective, close, strong, correct, flat)
3
unflinching(adjective, strong, flat, determined)
2
confirmed(adjective, limited, definite, persistent)
2
continuous(adjective, steady, persistent, constant)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>