10
callous(verb, adjective, close, set, fix)
7
thickened
6
hardened
5
flinty
5
hard
4
indurated
4
inured
4
toughened
2
case-hardened(verb, calcify, curdled, densify)
2
firmed
2
fossilized(verb, jellied, gel, calcify, coagulate)
2
grim
2
gruff
2
hard-bitten
2
hard-boiled
2
harsh
2
indurate(verb, close, set, fix, firm)
2
insensated
2
numbed
2
set
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APASmart Define. (2015). calloused thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/calloused/thesaurus/synonyms
ChicagoSmart Define. 2015. "calloused thesaurus" https://smartdefine.org/calloused/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, calloused thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/calloused/thesaurus/synonyms>.
MLASmart Define. "calloused thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/calloused/thesaurus/synonyms>