Synonyms|77Antonyms|7|Broader|0Narrower|0Related|78
4
lasting(adjective, eternal)
3
ageless(adjective, eternal)
3
undying(adjective, eternal)
3
uninterrupted(adjective, eternal)
3
unremitting(adjective, eternal)
2
boundless(adjective, eternal)
2
enduring(adjective, eternal)
2
immemorial(adjective, eternal)
2
immutable(adjective, eternal)
2
imperishable(adjective, eternal)
2
indefinite(adjective, eternal)
2
non-stop
2
perdurable(adjective, eternal)
2
persistent(adjective, eternal)
2
relentless(adjective, eternal)
2
steady
1
abiding(adjective, eternal)
1
coeternal
1
deathless(adjective, eternal)
1
evergreen
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APASmart Define. (2015). sempiternal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sempiternal/thesaurus/synonyms
ChicagoSmart Define. 2015. "sempiternal thesaurus" https://smartdefine.org/sempiternal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sempiternal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sempiternal/thesaurus/synonyms>.
MLASmart Define. "sempiternal thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/sempiternal/thesaurus/synonyms>