604 entries under adjective topic. ×

5
irreverent(hard, unfeeling, unsympathetic, prepared)
5
marble(bad, cold, detached, aloof)
5
remote(unfriendly, unfeeling, unemotional, numb)
5
reserved(calm, cool, indifferent, restrained)
5
uncontrite
5
unforgiving(person, mean, hard, severe)
5
unyielding(mean, hard, severe, rough)
4
bestial(evil, nasty, harsh, cruel)
4
bold
4
brazen
4
brutish(hard, evil, nasty, harsh)
4
case-hardened(noun, verb, dull, hard)
4
contemptuous(hard, unfeeling, unsympathetic, prepared)
4
distant(indifferent, detached, unfriendly, apathetic)
4
hostile(person, hard, tough, evil)
4
impolite(cruel, vicious, fierce, pitiless)
4
insolent
4
objective(indifferent, detached, distant, apathetic)
4
oblivious(cold, indifferent, senseless, unsympathetic)
4
passionless(quiet, cool, indifferent, detached)
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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>