110 entries under even topic. ×

11
unwavering(adjective, close, smooth, correct, right)
10
equable(adjective, calm, firm, solid, steady)
10
persistent(adjective, firm, certain, steady, stable)
10
resolute(adjective, close, hard, correct, severe)
10
same(adjective, dull, change, smooth, right)
10
set(verb, adjective, severe, firm, harsh)
10
undeviating(adjective, smooth, right, severe, flat)
8
inflexible(adjective, moderate, severe, firm, harsh)
8
unfailing(adjective, change, certain, steady, regular)
7
level(adjective, direct, smooth, right, flat)
7
unbroken(adjective, smooth, right, flat, level)
6
invariant(adjective, same)
6
methodical(adjective, calm, smooth, steady, temperate)
6
orderly(adjective, calm, smooth, steady, temperate)
6
unfluctuating(adjective, calm, smooth, right, flat)
5
durable(adjective, set, firm, solid, steady)
5
fast(adjective, close, correct, firm, honest)
5
homogeneous(adjective, dull, steady, stable, regular)
5
ordered(adjective, rigid, inflexible, reliable)
5
stabile(adjective, calm, smooth, right, flat)
10 years ago|13k views|share |citing 
APASmart Define. (2015). unchanging thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unchanging/thesaurus/synonyms
ChicagoSmart Define. 2015. "unchanging thesaurus" https://smartdefine.org/unchanging/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unchanging thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unchanging/thesaurus/synonyms>.
MLASmart Define. "unchanging thesaurus" 10 November 2015. Web. 22 September 2026. <https://smartdefine.org/unchanging/thesaurus/synonyms>