2
equal(adjective, different, alike, dissimilar)
2
hard-and-fast
1
inflexible
1
invariant
1
lasting
1
level(rough, irregular, broken, indefinite)
1
normal
1
permanent
1
persistent
1
predictable
1
regular(adjective, consistent, balanced, orderly)
1
set up(expression, uncertain, indefinite, questionable)
1
settled
1
static(adjective, moving, motionless, unsteady, changeless)
1
unadaptable
1
unfailing
1
unflagging(adjective, persistent)
1
unvaried
0
abiding
0
ceaseless
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APASmart Define. (2015). variable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/variable/thesaurus/antonyms
ChicagoSmart Define. 2015. "variable thesaurus" https://smartdefine.org/variable/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, variable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/variable/thesaurus/antonyms>.
MLASmart Define. "variable thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/variable/thesaurus/antonyms>