Synonyms|257Antonyms|80|Broader|2Narrower|0Related|279

24 entries under unfathomable topic. ×

22
eternal(adjective, pause, constant, endless, enduring)
20
deathless(adjective, continue, constant, live, endless)
17
immortal(adjective, continue, constant, live, endless)
15
enduring(adjective, constant, endless, lasting, infinite)
9
ceaseless(adjective, constant, continuous, endless, infinite)
6
amaranthine(adjective, constant, abundant, unrestrained, endless)
6
continual(adjective, constant, continuous, enduring, lasting)
5
continuous(adjective, constant, abundant, continuous, unrestrained)
5
incessant(adjective, constant, abundant, continuous, permanent)
5
never-ending(adjective, constant, abundant, endless, infinite)
3
monotonous(adjective, constant, abundant, continuous, unrestrained)
1
boundless(constant, abundant, unrestrained, endless, immense)
1
countless(constant, abundant, unrestrained, immense, infinite)
1
indeterminate(constant, abundant, unrestrained, endless, immense)
1
multitudinous(constant, abundant, unrestrained, immense, infinite)
1
no end of(constant, abundant, unrestrained, immense, infinite)
1
no end to(constant, abundant, unrestrained, immense, infinite)
1
not finishing(expression, constant, monotonous, infinite, boundless)
1
not stopping(expression, constant, monotonous, infinite, boundless)
1
numberless(constant, abundant, unrestrained, immense, infinite)
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APASmart Define. (2016). undying thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/undying/thesaurus/synonyms
ChicagoSmart Define. 2016. "undying thesaurus" https://smartdefine.org/undying/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, undying thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/undying/thesaurus/synonyms>.
MLASmart Define. "undying thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/undying/thesaurus/synonyms>