99 entries under firm topic. ×

1
crystallize(verb, close, set, fix, settle)
1
curdle(verb, close, set, fix, settle)
1
dried(adjective, set, solid, hardened)
1
dry(verb, close, set, fix, settle)
1
fix(verb, close, set, settle)
1
fixed(adjective, set, strong, hard)
1
fossilize(verb, close, set, fix, settle)
1
freeze(verb, close, set, fix, settle)
1
gird(verb, close, set, fix, settle)
1
hardened(adjective, set, strong, hard, tough)
1
indurate(verb, adjective, close, set, fix)
1
jell(verb, close, set, fix, settle)
1
monolithic(adjective, set, solid, hardened)
1
nerve(verb, close, set, fix, settle)
1
ossify(verb, close, set, fix, settle)
1
petrified(adjective, set, solid, hardened)
1
petrify(verb, close, set, fix, settle)
1
poured(adjective, set, solid, hardened)
1
precast(adjective, set, solid, hardened)
1
rocklike(adjective, strong, hard, substantial)
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APASmart Define. (2016). compact thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/compact/thesaurus/synonyms
ChicagoSmart Define. 2016. "compact thesaurus" https://smartdefine.org/compact/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, compact thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/compact/thesaurus/synonyms>.
MLASmart Define. "compact thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/compact/thesaurus/synonyms>