9
constant(adjective, even, same)
9
invariable(adjective, even, same)
9
unvarying(adjective, even, uniform, same)
8
changeless(adjective, even, same)
7
regular(adjective, even, uniform, same)
7
steady(adjective, even, same)
7
unchanging(adjective, even, same)
6
uniform(adjective, even, same)
5
even(adjective, uniform, same)
5
unwavering(adjective, even)
4
equable(adjective, even, same)
4
equal(adjective, even, uniform)
4
square(adjective, even, uniform)
4
stable(adjective, even)
3
immutable
3
same(adjective, even, same)
3
unalterable
3
unchangeable
3
unvaried(adjective, even)
2
ceaseless
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APASmart Define. (2015). invariant thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/invariant/thesaurus/synonyms
ChicagoSmart Define. 2015. "invariant thesaurus" https://smartdefine.org/invariant/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, invariant thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/invariant/thesaurus/synonyms>.
MLASmart Define. "invariant thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/invariant/thesaurus/synonyms>