119 entries under solid topic. ×

3
absolute(adjective, strong, easy, certain)
3
conclusive(adjective, end, strong, easy)
3
even(adjective, firm, stable, fixed)
3
unvarying(adjective, firm, stable, fixed)
2
changeless(adjective, firm, certain, stable)
2
clinched(verb, adjective, set, certain)
2
cool(adjective, firm, sensible, certain)
2
guaranteed(adjective, set, certain, fixed)
2
irrefutable(adjective, certain, sure, absolute)
2
loyal(adjective, strong, firm, sensible)
2
nailed down(expression, adjective, strong, easy)
2
on ice(expression, adjective, strong, easy)
2
poised(verb, adjective, firm, sensible)
2
reliable(adjective, strong, easy, firm, sensible)
2
sedate(adjective, firm, sensible, steady)
2
sensible(adjective, firm, steady, stable)
2
sober(adjective, firm, sensible, steady)
2
staid(adjective, set, firm, sensible)
2
tenacious(adjective, strong, secure, flat, firm)
2
undoubted(adjective, certain, sure, confident)
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APASmart Define. (2016). settled thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/settled/thesaurus/synonyms
ChicagoSmart Define. 2016. "settled thesaurus" https://smartdefine.org/settled/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, settled thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/settled/thesaurus/synonyms>.
MLASmart Define. "settled thesaurus" 27 March 2016. Web. 20 September 2026. <https://smartdefine.org/settled/thesaurus/synonyms>