27
everlasting(adjective, constant, continuous, enduring, lasting)
22
eternal(adjective, pause, constant, endless, enduring)
20
deathless(adjective, continue, constant, live, endless)
20
endless(adjective, constant, abundant, continuous, unrestrained)
19
perpetual(adjective, constant, continuous, enduring, lasting)
17
immortal(adjective, continue, constant, live, endless)
16
permanent(adjective, enduring, lasting, everlasting, eternal)
15
enduring(adjective, constant, endless, lasting, infinite)
14
timeless(adjective, eternal)
13
imperishable(adjective, stability, perpetuity)
13
unending(adjective, constant, continuous, endless, enduring)
11
lasting(adjective, continuous, enduring, permanent, everlasting)
10
perennial(adjective, continuous, enduring, lasting, permanent)
9
ceaseless(adjective, constant, continuous, endless, infinite)
9
continuing(adjective, continuous, permanent, recurrent, perpetual)
9
indestructible(adjective, stability, unable, lasting)
9
unceasing(adjective, continuous, infinite, permanent, boundless)
8
interminable(adjective, constant, abundant, continuous, unrestrained)
7
constant(adjective, continuous, endless, enduring, lasting)
7
unfading(adjective, perpetuity)
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APASmart Define. (2016). undying thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undying/thesaurus/synonyms
ChicagoSmart Define. 2016. "undying thesaurus" https://smartdefine.org/undying/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, undying thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undying/thesaurus/synonyms>.
MLASmart Define. "undying thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/undying/thesaurus/synonyms>