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Synonyms|189Antonyms|76|Broader|4Narrower|0Related|688

55 entries under adjective topic. ×

15
timeless(change, endless, indefinite, enduring)
14
eternal(change, pause, fixed, endless)
14
everlasting(unending, undying)
13
classic(immortal, timeless)
11
permanent(fixed, lasting, unchanging, unchangeable)
11
perpetual(fixed, unchanging, permanent, unchangeable)
11
unceasing(lasting, permanent, everlasting, unending)
11
unending
10
aeonian
8
eonian
7
dateless(change, constant, indefinite, enduring)
7
immortal(constant, endless, indefinite, lasting)
6
endless(everlasting, unending, undying)
4
ceaseless
4
enduring(fixed, unchanging, permanent, unchangeable)
4
sempiternal
4
undying
4
constant(fixed, unchanging, permanent, static)
4
immutable(fixed, lasting, unchanging, permanent)
4
indestructible(lasting, permanent, everlasting, unending)
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APASmart Define. (2016). ageless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ageless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ageless thesaurus" https://smartdefine.org/ageless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ageless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ageless/thesaurus/synonyms>.
MLASmart Define. "ageless thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/ageless/thesaurus/synonyms>