111 entries under firm topic. ×

57
persistent(adjective, strong, strain, flat)
41
stable(adjective, strong, secure, easy, strain)
39
unfluctuating(adjective, strong, secure, strain)
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)
24
constant(adjective, strong, strain, flat)
24
steadfast(adjective, strong, secure, easy, strain)
22
enduring(adjective, strong, strain, flat)
20
set(verb, adjective, strong, secure, continue)
20
durable(adjective, strong, secure, strain)
18
stabile(adjective, strain, solid, stable)
18
substantial(adjective, strong, strain, solid)
15
decided(verb, adjective, set, end, complete)
12
certain(adjective, strong, easy, solid)
12
definite(adjective, strong, easy, flat)
11
determined(verb, adjective, set, strong, easy)
11
resolute(adjective, set, strong, easy, flat)
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APASmart Define. (2016). settled thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/settled/thesaurus/synonyms
ChicagoSmart Define. 2016. "settled thesaurus" https://smartdefine.org/settled/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, settled thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/settled/thesaurus/synonyms>.
MLASmart Define. "settled thesaurus" 27 March 2016. Web. 22 September 2026. <https://smartdefine.org/settled/thesaurus/synonyms>