27 entries under perpetuity topic. ×

7
immortal(adjective, everlasting, eternal, perpetual)
5
perpetual(adjective, diuturnity)
5
ceaseless
5
endless(adjective, diuturnity)
5
deathless
3
eternal
3
unfading
2
continual
2
everlasting
2
imperishable
2
undying
1
amaranthine
1
coeternal
1
having no end(expression, idiom)
1
sempiternal
1
unending
1
uninterrupted
0
ever-flowing
0
ever-living
0
everduring
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APASmart Define. (2015). evergreen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/evergreen/thesaurus/synonyms
ChicagoSmart Define. 2015. "evergreen thesaurus" https://smartdefine.org/evergreen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, evergreen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/evergreen/thesaurus/synonyms>.
MLASmart Define. "evergreen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/evergreen/thesaurus/synonyms>