250 entries under adjective topic. ×

5
spiteful(person, unwarmhearted)
4
anesthetized(cruel, unsympathetic, pitiless, insensitive)
4
cutthroat(mean, hard, severe, harsh)
4
dog-eat-dog(mean, hard, severe, harsh)
4
nonchalant(unfeeling, insensitive, insensible)
4
numb(cruel, unsympathetic, pitiless, insensitive)
4
passionless(unfriendly, unfeeling, unemotional, insensitive)
4
unforgiving(mean, hard, severe, harsh)
4
unpitying(mean, severe, harsh, cruel)
4
unresponsive(hard, careless, indifferent, cruel)
3
apathetic(hard, careless, indifferent, cruel)
3
bloodthirsty
3
compassionless(mean, hard, severe, attitude)
3
demoniac
3
dispassionate(cold, unfeeling, unsympathetic, pitiless)
3
hellacious
3
ill-natured
3
inaudacious
3
incompatible
3
inhuman(mean, hard, harsh, cold)
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APASmart Define. (2016). hardhearted thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardhearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardhearted thesaurus" https://smartdefine.org/hardhearted/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, hardhearted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardhearted/thesaurus/synonyms>.
MLASmart Define. "hardhearted thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/hardhearted/thesaurus/synonyms>