223 entries under hard topic. ×

4
untouched(adjective, calm, mean, cool)
4
vicious(adjective, mean, evil, rough)
3
benumbed(adjective, tough, severe, cruel)
3
careless(adjective, indifferent, cruel, unfeeling)
3
compassionless(adjective, mean, severe, attitude)
3
fierce(adjective, mean, severe, evil)
3
hard-bitten(adjective, rough, harsh, cruel)
3
implacable(adjective, mean, severe, evil)
3
indurated(adjective, cool, firm, cruel)
3
lukewarm(adjective, calm, mean, cool)
3
rocky(adjective, set, strong, firm)
3
sarcastic(adjective, unkind, insolent, cutting)
3
set(verb, adjective, close, fix)
3
spiritless(adjective, dull, quiet, cool)
3
steeled(noun, adjective, unfeeling, unsympathetic)
3
stubborn(adjective, mean, tough, severe)
3
torpid(adjective, dull, quiet, flat)
3
tyrannical(adjective, tough, evil, nasty)
2
asleep(adjective, tough, severe, cruel)
2
coldblooded(adjective, mean, harsh, cold)
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APASmart Define. (2016). callous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>