10
permanent
6
everlasting
5
lasting
4
ceaseless
4
perpetual
4
long-lived
3
endless
3
deathless
3
enduring
3
eternal
3
unending
2
imperishable
2
lengthy
2
lifelong
2
undeviating
2
undying
1
abiding
1
boundless
1
changeless
1
chronic
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APASmart Define. (2016). transitory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/transitory/thesaurus/antonyms
ChicagoSmart Define. 2016. "transitory thesaurus" https://smartdefine.org/transitory/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, transitory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/transitory/thesaurus/antonyms>.
MLASmart Define. "transitory thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/transitory/thesaurus/antonyms>