250 entries under adjective topic. ×

1
unsubmissive(hard, unfeeling, unsympathetic, hardened)
1
unsusceptible(hard, careless, indifferent, cruel)
1
unsympathising
1
unsympathizing
1
unyielding(mean, severe, harsh, cruel)
1
wanton(mean, severe, harsh, cruel)
0
adamant(cruel, brutal, pitiless, callous)
0
asleep(cruel, unsympathetic, pitiless, heartless)
0
bloodless(hard, indifferent, unkind, unresponsive)
0
cantankerous(cruel, unsympathetic, pitiless, heartless)
0
churlish(cruel, unsympathetic, pitiless, heartless)
0
cold fish(expression, cruel, unsympathetic, pitiless)
0
crass(hard, indifferent, unkind, unresponsive)
0
crotchety(cruel, unsympathetic, pitiless, heartless)
0
cynical(hard, unfeeling, unsympathetic, hardened)
0
dead(unfriendly, unemotional, emotionless, taciturn)
0
deadened(cruel, unsympathetic, pitiless, heartless)
0
disinterested(unfeeling, insensible)
0
distant(unfriendly, unemotional, emotionless, taciturn)
0
downright unkindly
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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>