9
amaranthine(adjective, endless, perpetuity)
8
everlasting(adjective, stable, constant, vast, enduring)
8
immortal(adjective, perpetuity, imperishable)
8
imperishable(adjective, stable, fixed, constant, enduring)
7
deathless(adjective, perpetuity)
7
permanent(adjective, fixed, constant, vast, enduring)
7
perpetual(adjective, stable, fixed, constant, enduring)
7
undying(adjective, perpetuity)
5
constant(adjective, stable, fixed, enduring, lasting)
5
eternal(adjective, pause, fixed, vast, endless)
5
fadeless
5
lasting(adjective, stable, fixed, constant, vast)
4
abiding(adjective, stable, fixed, constant, enduring)
4
endless(adjective, perpetuity)
4
enduring(adjective, stable, fixed, constant, lasting)
4
evergreen(adjective, perpetuity)
4
perennial(adjective, stable, constant, enduring, lasting)
4
persistent(adjective, stable, constant, enduring, lasting)
4
unchanging(adjective, stable, fixed, constant, lasting)
3
ceaseless(adjective, perpetuity)
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APASmart Define. (2015). unfading thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unfading/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfading thesaurus" https://smartdefine.org/unfading/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unfading thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unfading/thesaurus/synonyms>.
MLASmart Define. "unfading thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/unfading/thesaurus/synonyms>