19
permanent(noun, adjective, resource, procurator, locum)
11
primary
6
natural
6
real(adjective, permanent)
4
same
3
lasting
3
predecessor
2
organic
2
true(adjective, permanent)
1
immortal
1
immutable
1
invariable
1
abide
1
abiding
1
authentic
1
bide
1
bona fide
1
continual
1
continuing
1
natural depression
10 years ago|1.6k views|share |citing 
APASmart Define. (2016). substitute thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/substitute/thesaurus/antonyms
ChicagoSmart Define. 2016. "substitute thesaurus" https://smartdefine.org/substitute/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, substitute thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/substitute/thesaurus/antonyms>.
MLASmart Define. "substitute thesaurus" 29 February 2016. Web. 21 September 2026. <https://smartdefine.org/substitute/thesaurus/antonyms>