Synonyms|824Antonyms|194|Broader|4Narrower|14Related|1.2k

58 entries under fixed topic. ×

6
inveterate(adjective, persistent, recurrent, perpetual)
6
lifelong(adjective, persistent, permanent, durable)
5
indelible(adjective, great, firm, extraordinary, true)
5
tenacious(adjective, tough, firm, true)
5
unfading(stable, constant, vast, enduring)
4
ageless(adjective, permanent, unchangeable, everlasting)
4
ineradicable(adjective, persistent, remaining, chronic)
4
unchanged(static, unchangeable)
3
even(adjective, calm, strong, secure, firm)
3
habitual(adjective, persistent, constant, continuous)
3
uniform(adjective, calm, strong, secure, firm)
2
close(firm, true, constant, steadfast)
2
confirmed(adjective, persistent, remaining, chronic)
2
deep-seated(adjective, persistent, remaining, chronic)
2
static
2
unfailing(certain, reliable, continuous, trustworthy)
1
equable(adjective, calm, strong, secure, firm)
1
ever-present(persistent, remaining, chronic)
1
incurable(persistent, remaining, chronic)
1
ingrained(adjective, persistent, remaining, chronic)
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ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>