306 entries under firm topic. ×

4
consistent(adjective, strong, solid, steady)
4
deliberate(verb, adjective, clear, direct, severe)
4
dense(adjective, strong, hard, tough)
4
dry(verb, close, fix, settle)
4
durable(adjective, calm, strong, secure)
4
exacting(adjective, tough, severe, harsh)
4
fastened(adjective, strong, solid, true)
4
frozen(adjective, hard, solid, stiff)
4
grim(adjective, tough, severe, harsh)
4
immutable(adjective, calm, strong, secure)
4
inelastic(adjective, hard, tough, severe)
4
narrow(verb, adjective, control, mean, check)
4
petrify(verb, close, fix, hard, settle)
4
sound(adjective, calm, clear, strong, hard)
4
uniform(adjective, calm, strong, secure)
4
unvarying(adjective, calm, clear, strong, secure)
4
wedged(put, true, fixed, constant)
3
attached(verb, adjective, secure, true)
3
bound(verb, adjective, control, check, strong)
3
cement(verb, hold, close, fix, develop)
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APASmart Define. (2016). set thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/set/thesaurus/synonyms
ChicagoSmart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, set thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>.
MLASmart Define. "set thesaurus" 1 March 2016. Web. 23 September 2026. <https://smartdefine.org/set/thesaurus/synonyms>