573 entries under adjective topic. ×

3
irrevocable(certain, unquestionable, undisputable)
3
lifetime
3
long-range
3
loyal(close, correct, firm, honest)
3
never-ending(determined, constant, endless, infinite)
3
prolonged(great, deep, high, persistent)
3
rugged(strong, sound, fit, heavy)
3
set(calm, strong, secure, flat)
3
single-minded(firm, solid, determined, steady)
3
solid(calm, strong, sound, tough)
3
stoical(calm, quiet, cool, gentle)
3
true(close, strong, correct, flat)
3
undaunted
3
unflinching(strong, flat, certain, determined)
3
wholehearted(set, complete, firm, total)
2
alive(present, living, existing)
2
all-time(permanent, unsurpassed)
2
being(verb, present, existing)
2
bold
2
bulldogged
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APASmart Define. (2016). enduring thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>