74 entries under heartless topic. ×

5
hard-hearted(adjective, mean, hard, tough, evil)
5
unfeeling(adjective, animal, mean, severe, evil)
5
unsympathetic(adjective, animal, mean, hard, severe)
4
cold(adjective, mean, hard, harsh, indifferent)
4
cutthroat(adjective, mean, strong, hard, severe)
4
mean(adjective, animal, hard, severe, nasty)
4
stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic)
4
unforgiving(adjective, mean, hard, tough, severe)
4
unrelenting(adjective, animal, appearance, mean, hard)
3
hard(adjective, mean, tough, severe, evil)
3
implacable(adjective, animal, appearance, mean, hard)
3
malevolent(adjective, mean, strong, severe, evil)
3
relentless(adjective, animal, appearance, mean, strong)
2
dog-eat-dog(adjective, mean, hard, severe, harsh)
2
inexorable(adjective, appearance, mean, hard, tough)
2
rancorous(adjective, mean, evil, nasty, harsh)
2
surly(adjective, mean, harsh, cruel, vicious)
2
uncompassionate(adjective, animal, mean, hard, tough)
2
uncompromising(adjective, cruel, pitiless, hardhearted)
2
unpitying(adjective, mean, severe, harsh, cruel)
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APASmart Define. (2016). barbarous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/barbarous/thesaurus/synonyms
ChicagoSmart Define. 2016. "barbarous thesaurus" https://smartdefine.org/barbarous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, barbarous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/barbarous/thesaurus/synonyms>.
MLASmart Define. "barbarous thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/barbarous/thesaurus/synonyms>