266 entries under firm topic. ×

1
ardent(adjective, solid, true, stable)
1
arthritic(adjective, hard, solid, stiff)
1
assertive(certain, resolute, sure, decisive)
1
balky(tough, unreasonable, inflexible, obstinate)
1
benumbed(verb, adjective, hard, solid)
1
bold(certain, sure, unyielding, guaranteed)
1
brick-wall(adjective, solid, steady, stable)
1
brittle(adjective, hard, solid, stiff)
1
buckram(adjective, hard, solid, stiff)
1
bullheaded(tough, severe, stiff, inflexible)
1
cantankerous(tough, determined, unreasonable, inflexible)
1
chilled(adjective, hard, solid, stiff)
1
compact(adjective, set, strong, hard)
1
constructive(complete, certain, obedient, wholehearted)
1
contained(complete, certain, obedient, wholehearted)
1
creaky(adjective, hard, solid, stiff)
1
crowded(adjective, set, solid, heavy)
1
cussed(tough, unreasonable, inflexible, obstinate)
1
dedicated(adjective, set, solid, determined)
1
dense(adjective, set, strong, hard)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 23 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>