51 entries under unvarying topic. ×

3
equable(adjective, calm, strong, secure, firm)
3
methodical(adjective, even, rigid, inflexible, reliable)
3
unfluctuating(adjective, calm, strong, secure, firm)
2
consonant(adjective, even, rigid, inflexible, reliable)
2
continuing(fixed, static, unchangeable, unalterable)
2
homogeneous(adjective, dull, steady, stable, regular)
2
level(adjective, even, rigid, inflexible, reliable)
2
monolithic(adjective, even, rigid, inflexible, reliable)
2
of a piece(expression, adjective, idiom, steady, stable)
2
ordered(adjective, even, rigid, inflexible, reliable)
2
orderly(adjective, even, rigid, inflexible, reliable)
2
regular(adjective, dull, set, steady, stable)
2
smooth(adjective, even, unchanging, unbroken, undeviating)
2
static(adjective, set, regular, fixed, even)
2
straight(adjective, even, rigid, inflexible, reliable)
2
systematic(adjective, even, rigid, inflexible, reliable)
2
unbroken(adjective, dull, steady, stable, regular)
2
undiversified(adjective, set, regular, even, constant)
1
fated(adjective, fixed, even, rigid, inflexible)
1
habitual(adjective, dull, steady, stable, regular)
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APASmart Define. (2015). immutable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/immutable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immutable thesaurus" https://smartdefine.org/immutable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, immutable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/immutable/thesaurus/synonyms>.
MLASmart Define. "immutable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/immutable/thesaurus/synonyms>