604 entries under adjective topic. ×

8
rigid(set, mean, strong, hard)
7
calloused(verb, close, set, fix)
7
coldhearted(hard, cold, indifferent, detached)
7
detached(indifferent, unfriendly, distant, apathetic)
7
flinty(evil, nasty, harsh, vicious)
7
impenitent(hard, tough, harsh, cruel)
7
mean(verb, hard, cool, tough)
7
savage(mean, hard, rough, harsh)
7
steely(cold, cruel, unfeeling, unsympathetic)
7
unkindly(bad, cold, aloof, no feelings)
7
unsusceptible(noun, hard, indifferent, cruel)
6
adamant(person, mean, hard, rough)
6
anesthetized(hard, tough, severe, cruel)
6
bloodthirsty(evil, nasty, harsh, cruel)
6
brute(noun, bad, cold, aloof)
6
chilly(person, feelings, emotions, rocky)
6
inconsiderate
6
inhumane(mean, hard, severe, evil)
6
nonchalant(cool, indifferent, detached, blank)
6
rough(verb, person, dull, hard)
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APASmart Define. (2016). callous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>