2
withdrawn(adjective, person, indifferent, feelings, detached)
1
above(adjective, indifferent, detached, distant, remote)
1
adamantine
1
along for the ride(expression, adjective, idiom, detached, impassive)
1
anesthetized(adjective, hard, tough, severe, cold)
1
antisocial(adjective, person, feelings)
1
apart(adjective, indifferent, detached, distant, remote)
1
as cold as charity(adjective, bad, cold, aloof, no feelings)
1
asleep(adjective, hard, tough, severe, cold)
1
austere
1
avaricious(adjective, hard, tough, harsh, cruel)
1
backward(adjective, person, feelings)
1
benumbed(adjective, hard, tough, severe, cold)
1
bitter(adjective, evil, nasty, harsh, vicious)
1
blah(adjective, detached, impassive, unresponsive, laid-back)
1
blind(adjective, indifferent, unsympathetic, inattentive, uninterested)
1
bloodthirsty(adjective, evil, nasty, harsh, vicious)
1
bloody(adjective, hard, tough, harsh, cruel)
1
brute(adjective, bad, cold, aloof, no feelings)
1
bullhead(adjective, mean, hard, tough, harsh)
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APASmart Define. (2016). hard-hearted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard-hearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-hearted thesaurus" https://smartdefine.org/hard-hearted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, hard-hearted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard-hearted/thesaurus/synonyms>.
MLASmart Define. "hard-hearted thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard-hearted/thesaurus/synonyms>