21 entries under fixed topic. ×

7
continuing(adjective, familiar, persistent, lasting)
6
enduring(adjective, familiar, established, hardened)
6
chronic(adjective, persistent, hardened, lasting)
6
lasting(adjective, persistent, permanent, durable)
5
inveterate(adjective, familiar, persistent, established)
4
constant(adjective, familiar, persistent, established)
2
abiding(adjective, persistent, hardened, lasting)
2
continual(adjective, persistent, continuous, lasting)
2
continuous(adjective, persistent, lasting, continuing)
1
ceaseless(persistent, continuous, lasting, continuing)
1
confirmed(verb, persistent, continuous, hardened)
1
deep-rooted(adjective, persistent, hardened, lasting)
1
deep-seated(persistent, continuous, hardened, lasting)
1
ever-present(persistent, continuous, lasting, continuing)
1
habitual(persistent, continuous, hardened, lasting)
1
inborn(persistent, continuous, lasting, continuing)
1
inbred(persistent, continuous, hardened, lasting)
1
incurable(persistent, continuous, hardened, lasting)
1
ineradicable(persistent, continuous, hardened, lasting)
1
ingrained(persistent, continuous, hardened, lasting)
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APASmart Define. (2015). lifelong thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lifelong thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>.
MLASmart Define. "lifelong thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms>