possible profanity
15
timeless(adjective, change, endless, indefinite, enduring)
14
eternal(adjective, change, pause, fixed, endless)
14
everlasting(adjective, unending, undying)
13
classic(adjective, immortal, timeless)
11
permanent(adjective, fixed, lasting, unchanging, unchangeable)
11
perpetual(adjective, fixed, unchanging, permanent, unchangeable)
11
unceasing(adjective, lasting, permanent, everlasting, unending)
11
unending
10
aeonian
8
ancient
8
eonian
7
dateless(adjective, change, constant, indefinite, enduring)
7
immortal(adjective, constant, endless, indefinite, lasting)
6
endless(adjective, everlasting, unending, undying)
4
ceaseless
4
enduring(adjective, fixed, unchanging, permanent, unchangeable)
4
sempiternal(adjective, eternal)
4
undying
4
customary
4
constant(adjective, fixed, unchanging, permanent, static)
<1234510>
10 years ago|9.8k views|share |citing 
APASmart Define. (2016). ageless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ageless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ageless thesaurus" https://smartdefine.org/ageless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ageless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ageless/thesaurus/synonyms>.
MLASmart Define. "ageless thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/ageless/thesaurus/synonyms>