87 entries under heartless topic. ×

5
wanton(adjective, mean, severe, harsh, senseless)
4
dog-eat-dog(adjective, mean, hard, severe, harsh)
4
soulless(adjective, mean, hard, careless, indifferent)
2
unemotional(adjective, mean, hard, cool, tough)
2
unmoved(adjective, mean, hard, cool, unpleasant)
1
surly(adjective, mean, hard, tough, severe)
1
insentient(adjective, hard, careless, indifferent, apathetic)
1
case-hardened(adjective, hard, careless, indifferent, apathetic)
1
deadened(adjective, hard, tough, severe, cold)
1
feelingless(adjective, hard, tough, severe, cold)
1
hard-bitten(adjective, hard, rough, harsh, careless)
1
hardened(adjective, hard, tough, severe, careless)
1
impassive(adjective, hard, careless, indifferent, apathetic)
1
impenitent(adjective, hard, tough, harsh, careless)
1
indurated(adjective, hard, careless, indifferent, apathetic)
1
insensible(adjective, strong, hard, tough, severe)
1
iron-fisted(adjective, mean, severe, harsh, constant)
1
iron-hearted(adjective, hard, tough, severe, cold)
1
sensationless(adjective, hard, tough, severe, cold)
1
senseless(adjective, hard, tough, severe, cold)
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APASmart Define. (2016). cruel thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/cruel/thesaurus/synonyms
ChicagoSmart Define. 2016. "cruel thesaurus" https://smartdefine.org/cruel/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, cruel thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/cruel/thesaurus/synonyms>.
MLASmart Define. "cruel thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/cruel/thesaurus/synonyms>