15 entries under durable topic. ×

11
perennial(adjective, familiar, established, hardened, enduring)
7
eternal(adjective, permanent, recurrent, perpetual)
6
enduring(adjective, familiar, fixed, established, hardened)
6
durable(adjective, permanent, recurrent, perpetual)
6
lasting(adjective, fixed, persistent, permanent)
6
lifetime(adjective, lasting)
6
perpetual(adjective, familiar, established, permanent)
5
livelong(adjective, lasting, diuturnity, longstanding)
4
everlasting(adjective, permanent, recurrent, perpetual)
4
prolonged(adjective, persistent, lasting, remaining)
3
incessant(adjective, permanent, recurrent, perpetual)
3
long
2
interminable
2
lengthy
2
long-life
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APASmart Define. (2015). lifelong thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, lifelong thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>.
MLASmart Define. "lifelong thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms>