119 entries under solid topic. ×

54
firm(adjective, set, strong, secure, easy)
41
stable(adjective, strong, secure, easy, strain)
39
unfluctuating(adjective, strong, secure, strain, firm)
37
sound(adjective, strong, secure, easy, strain)
37
strong(adjective, secure, easy, strain, flat)
33
fixed(verb, adjective, set, strong, secure)
26
steady(adjective, strong, secure, easy, strain)
25
fast(adjective, strong, secure, strain, firm)
24
constant(adjective, strong, strain, flat, firm)
24
steadfast(adjective, strong, secure, easy, strain)
22
enduring(adjective, strong, strain, flat, firm)
20
set(verb, adjective, strong, secure, continue)
20
durable(adjective, strong, secure, strain, firm)
19
established(adjective, verb, state, strong, certain)
18
stabile(adjective, strain, firm, stable)
18
substantial(adjective, strong, strain, firm)
15
decided(verb, adjective, set, end, complete)
14
rooted(verb, adjective, strong, secure)
13
confirmed(verb, adjective, set, continue)
12
certain(adjective, strong, easy, firm)
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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>