Synonyms|270Antonyms|105|Broader|3Narrower|13Related|183

50 entries under firm topic. ×

1
caseharden(verb, close, set, fix, continue)
1
clot(verb, close, set, fix, settle)
1
coagulate(verb, close, set, fix, settle)
1
compact(verb, close, set, fix, settle)
1
curdle(verb, close, set, fix, settle)
1
dry(verb, close, set, fix, settle)
1
freeze(verb, close, set, fix, settle)
1
jell(verb, close, set, fix, settle)
1
thicken(verb, close, set, fix, settle)
0
casehardened(close, set, dry, harden)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>