27 entries under perpetuity topic. ×

18
eternal(adjective, pause, fixed, endless, lasting)
17
undying(adjective, stability, enduring, lasting, everlasting)
15
immortal(adjective, repute, indestructible, deathless)
15
everlasting(adjective, constant, enduring, lasting, infinite)
12
perpetual(adjective, constant, enduring, lasting, continual)
10
deathless(adjective, repute, everlasting, eternal, perpetual)
9
endless(adjective, continuous, everlasting, uninterrupted, eternal)
8
unfading(adjective, stable, fixed, constant, lasting)
7
unending
6
sempiternal(adjective, continuous, vast, everlasting, uninterrupted)
5
ceaseless(adjective, continuous, everlasting, uninterrupted, eternal)
5
unceasing(adjective, continuous, lasting, permanent, everlasting)
4
amaranthine(adjective, everlasting, eternal, unending)
4
interminable(adjective, continuous, everlasting, uninterrupted, eternal)
3
continual(adjective, stable, constant, continuous, enduring)
3
evergreen(adjective, everlasting, eternal, undying)
2
never-dying
1
coeternal
1
incessant
0
ever-flowing
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APASmart Define. (2016). imperishable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, imperishable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>.
MLASmart Define. "imperishable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms>