87 entries under heartless topic. ×

1
steely(adjective, strong, hard, tough, severe)
1
torpid(adjective, hard, careless, indifferent, apathetic)
1
toughened(adjective, hard, careless, indifferent, apathetic)
1
unaffected(adjective, hard, careless, indifferent, apathetic)
1
unamiable(adjective, hard, tough, severe, cold)
1
uncalled-for(adjective, mean, severe, harsh, unreasonable)
0
coldblooded(adjective, mean, hard, harsh, 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>