573 entries under adjective topic. ×

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bearing(noun, verb, quiet, strength)
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dateless
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deathless(constant, abundant, endless, supreme)
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diligent
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hardy(strong, sound, tough, fit)
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incessant(determined, steady, stable, persistent)
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infinite(end, constant, abundant, unrestrained)
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interminable(determined, steady, persistent, constant)
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inveterate(certain, familiar, limited, definite)
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lengthy(great, deep, high, remote)
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lifelong(familiar, fixed, established, hardened)
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old(continue, familiar, established, hardened)
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perdurable(calm, strong, continue, substantial)
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secure(calm, strong, sound, tough)
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staunch(calm, close, strong, sound)
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sturdy(calm, strong, sound, secure)
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surviving(verb, present, outstanding, living)
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tireless
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tough(calm, strong, sound, fit)
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vintage(familiar, established, antique, old-time)
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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>