75 entries under cold topic. ×

7
insensible(adjective, bad, hard, tough, severe)
7
remorseless(adjective, mean, hard, severe, harsh)
7
unresponsive(adjective, calm, bad, indifferent)
6
apathetic(adjective, hard, tough, severe)
6
hardened(adjective, hard, tough, severe, harsh)
6
uncompassionate(adjective, mean, hard, tough, severe)
6
unemotional(adjective, mean, hard, tough, severe)
5
barbarous(adjective, mean, hard, tough, evil)
5
dispassionate(adjective, calm, indifferent, cruel)
5
emotionless(adjective, bad, detached, aloof)
5
relentless(adjective, mean, hard, tough, evil)
5
unmoved(adjective, calm, indifferent, cruel)
4
icy(adjective, person, hard, tough, severe)
4
indurate(adjective, mean, bad, hard)
4
insensate(adjective, bad, hard, tough, severe)
4
unkindly(adjective, bad, aloof, no feelings)
3
chill(adjective, bad, detached, aloof)
3
impervious(adjective, calm, bad, restrained)
3
iron-hearted(adjective, bad, hard, tough, severe)
3
marble(adjective, bad, detached, aloof)
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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>