306 entries under firm topic. ×

12
stiffen(verb, form, support, calm, close)
11
located(verb, adjective, secure, steady)
11
constant(adjective, calm, strong, secure, flat)
11
definite(adjective, clear, strong, direct, slight)
11
freeze(verb, form, calm, close, fix)
11
hardened(verb, adjective, hard, tough)
11
set in stone(expression, adjective, idiom, calm, strong)
11
strict(adjective, strong, severe, flat)
11
unbendable(adjective, determined, resolute, rigid)
10
entrenched(adjective, usual, fixed, inflexible)
10
persistent(adjective, strong, tough, flat)
10
situated(verb, adjective, secure, steady)
9
cake(noun, verb, close, fix, settle)
9
dogged(adjective, strong, hard, tough)
9
fast(adjective, calm, strong, secure, tough)
9
hard(adjective, mean, strong, tough, severe)
9
secure(verb, adjective, calm, fix, strong)
9
unchanging(adjective, severe, harsh, solid)
8
adamantine(adjective, severe, harsh, determined)
8
concrete(verb, adjective, close, strong, hard)
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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>