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

76 entries under solid topic. ×

10
set(verb, adjective, severe, firm, harsh)
10
undeviating(adjective, smooth, right, severe, flat)
6
unfluctuating(adjective, calm, smooth, right, flat)
5
certain(adjective, set, clear, firm)
5
durable(adjective, set, firm, steady)
5
fast(adjective, close, correct, firm, honest)
5
stabile(adjective, calm, smooth, right, flat)
5
sure(adjective, close, set, clear, correct)
4
definite(adjective, clear, severe, firm, harsh)
4
settled(adjective, strong, firm, determined)
4
staunch(adjective, close, correct, firm, honest)
4
strict(adjective, close, correct, severe, harsh)
4
unfaltering(adjective, set, clear, strong, firm)
3
dependable(adjective, close, correct, firm, honest)
3
immovable(adjective, set, firm, still)
3
unshakable(adjective, clear, firm, certain)
3
unswerving(adjective, close, correct, firm, honest)
2
balanced(adjective, direct, smooth, right, flat)
2
reliable(adjective, close, correct, firm, honest)
2
secure(adjective, firm, steady, stable)
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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>