55 entries under permanent topic. ×

10
continual(adjective, certain, stable, persistent, constant)
9
unchangeable(adjective, calm, strong, solid, steady)
9
undying(adjective, continuous, enduring, everlasting)
8
indissoluble(adjective, strong, enduring, everlasting)
8
persisting(verb, adjective, persistent, current, old)
7
incessant(adjective, persistent, constant, continuous, endless)
6
long-term(adjective, vast, lifelong, diurnal)
6
lifelong(adjective, fixed, persistent, durable)
6
old(adjective, continue, recurrent, perpetual)
6
timeless(adjective, vast, everlasting, eternal)
6
uninterrupted(adjective, persistent, constant, continuous, endless)
6
unremitting(adjective, persistent, constant, living, continuous)
5
dateless(adjective, everlasting, unending, undying)
5
unfading(stable, fixed, constant, vast, enduring)
4
ageless(adjective, fixed, unchangeable, everlasting)
4
existing(verb, adjective, established, existing)
4
imperishable(adjective, constant, enduring, durable)
4
regular(adjective, persistent, constant, continuous, established)
4
relentless(adjective, persistent, constant, continuous, endless)
4
standing(adjective, established)
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APASmart Define. (2016). lasting thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>