604 entries under adjective topic. ×

6
rude(dull, hard, rough, nasty)
6
solid(set, strong, hard, firm)
6
soulless(mean, hard, harsh, cold)
6
stern(mean, hard, tough, severe)
6
stonyhearted
6
toughened(noun, hard, cruel, unfeeling)
6
unaffected(hard, cold, indifferent, cruel)
6
unbending(hard, tough, rough, harsh)
6
unperceptive
6
unpitying(mean, hard, cool, severe)
6
unrepentant
5
banemalentous(aroused negative, negative emotions, aroused bad feelings)
5
beastly(aroused negative, aroused bad feelings)
5
black-hearted(aroused negative, negative emotions, aroused bad feelings)
5
blunt(verb, dull, develop, rough)
5
chill(bad, cold, detached, aloof)
5
comatose(unfeeling, senseless, numb, insensitive)
5
hard-nosed(mean, hard, tough, evil)
5
icy(mean, hard, cool, tough)
5
iron-hearted(bad, hard, tough, severe)
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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>