Synonyms|270Antonyms|79|Broader|4Narrower|7Related|579

15 entries under unending topic. ×

23
immortal(adjective, constant, continuous, endless, indefinite)
17
ageless(adjective, change, endless, enduring, lasting)
8
lasting(adjective, vast, permanent, everlasting, eternal)
7
perennial(adjective, constant, endless, indefinite, lasting)
7
abiding(adjective, lasting, permanent, everlasting, eternal)
6
continuous(adjective, continue, steady, constant, endless)
5
imperishable(adjective, vast, lasting, permanent, everlasting)
5
indestructible(adjective, lasting, permanent, everlasting, eternal)
4
boundless(adjective, continuous, endless, infinite, everlasting)
3
immutable(adjective, lasting, permanent, everlasting)
3
unfading(vast, lasting, permanent, everlasting, eternal)
3
forever(adjective, vast, lasting, permanent, everlasting)
3
indefinite(adjective, lasting, permanent, everlasting, eternal)
2
perdurable(lasting, permanent, everlasting, eternal)
2
termless(adjective, vast, lasting, infinite, permanent)
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APASmart Define. (2016). timeless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/timeless/thesaurus/synonyms
ChicagoSmart Define. 2016. "timeless thesaurus" https://smartdefine.org/timeless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, timeless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/timeless/thesaurus/synonyms>.
MLASmart Define. "timeless thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/timeless/thesaurus/synonyms>