23 entries under unending topic. ×

26
constant(adjective, stable, continuous, stability, enduring)
23
everlasting(adjective, stable, constant, continuous, enduring)
22
eternal(adjective, pause, constant, endless, enduring)
19
permanent(verb, adjective, continue, constant, stability)
18
perpetual(adjective, stable, constant, continuous, enduring)
11
endless(adjective, constant, continuous, permanent, everlasting)
11
enduring(adjective, continue, stable, constant, lasting)
11
incessant(adjective, constant, continuous, enduring, permanent)
11
unceasing(adjective, constant, continuous, enduring, lasting)
11
undying(adjective, continuous, enduring, lasting, permanent)
10
immortal(adjective, constant, continuous, endless, indefinite)
9
abiding(adjective, continue, stable, constant, enduring)
9
unremitting(adjective, constant, continuous, lasting, permanent)
8
perdurable(adjective, continue, stable, constant, enduring)
6
timeless(adjective, constant, endless, indefinite, lasting)
4
continued(continuous, lasting, permanent, everlasting, uninterrupted)
2
ageless(adjective, constant, endless, indefinite, lasting)
2
dateless(lasting, permanent, everlasting, undying)
2
relentless(lasting, permanent, everlasting, undying)
1
forever(stable, constant, enduring, lasting, permanent)
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APASmart Define. (2015). perennial thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>