Synonyms|763Antonyms|107|Broader|9Narrower|6Related|570

124 entries under fixed topic. ×

5
durable(adjective, set, firm, solid, steady)
5
fast(adjective, close, correct, firm, honest)
5
homogeneous(adjective, dull, steady, stable, regular)
5
stabile(adjective, calm, smooth, right, flat)
5
sure(adjective, close, set, clear, correct)
5
uninterrupted(adjective, smooth, right, flat, level)
4
habitual(adjective, dull, cold, steady, stable)
4
settled(adjective, strong, firm, solid, determined)
4
solid(adjective, severe, firm, harsh, certain)
4
staunch(adjective, close, correct, firm, honest)
4
unfaltering(adjective, set, clear, strong, firm)
3
connected(adjective, steady, stable, regular)
3
dependable(adjective, close, correct, firm, honest)
3
immovable(adjective, set, firm, solid, still)
3
nonstop(adjective, steady, stable, regular)
3
unfading(adjective, stable, constant, lasting)
3
unswerving(adjective, close, correct, firm, honest)
2
ageless(adjective, permanent, static, unchangeable)
2
balanced(adjective, direct, smooth, right, flat)
2
imperishable(adjective, stable, constant, enduring)
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ChicagoSmart Define. 2015. "unchanging thesaurus" https://smartdefine.org/unchanging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unchanging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unchanging/thesaurus/synonyms>.
MLASmart Define. "unchanging thesaurus" 10 November 2015. Web. 23 September 2026. <https://smartdefine.org/unchanging/thesaurus/synonyms>