Synonyms|240Antonyms|92|Broader|3Narrower|1Related|601
7
permanent
4
endless
4
eternal
4
everlasting
4
lasting(adjective, temporary)
2
enduring
2
ageless
2
dateless
2
deathless
2
indelible(adjective, temporary, indestructible)
2
settled
1
standing
1
undying(adjective, mortal)
1
abiding
1
ceaseless
1
continuing
1
imperishable
1
indissoluble
1
perpetual
1
unending
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APASmart Define. (2016). impermanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impermanent/thesaurus/antonyms
ChicagoSmart Define. 2016. "impermanent thesaurus" https://smartdefine.org/impermanent/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, impermanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impermanent/thesaurus/antonyms>.
MLASmart Define. "impermanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/impermanent/thesaurus/antonyms>