133 entries under heartless topic. ×

5
deadened(adjective, cruel, dead, unsympathetic, numb)
5
implacable(adjective, animal, mean, hard, severe)
5
inanimate(adjective, cold, indifferent, cruel, unsympathetic)
5
inured(noun, adjective, hard, careless, indifferent)
5
obtuse(noun, adjective, hard, indifferent, unsympathetic)
5
sadistic(adjective, person, mean, evil, nasty)
5
surly(adjective, mean, harsh, cruel, vicious)
5
unbending(adjective, hard, tough, severe, harsh)
5
unimpressionable(adjective, hard, careless, indifferent, cruel)
5
unsparing(adjective, person, mean, tough, severe)
5
vicious(adjective, mean, evil, nasty, harsh)
4
adamant(adjective, mean, hard, tough, harsh)
4
asleep(adjective, cruel, dead, unsympathetic, numb)
4
cantankerous(adjective, cruel, unsympathetic, numb, pitiless)
4
coldhearted(adjective, mean, hard, severe, harsh)
4
dog-eat-dog(adjective, mean, hard, severe, harsh)
4
fierce(adjective, animal, mean, severe, evil)
4
imperceptive(adjective, hard, indifferent, unkind, unresponsive)
4
inexorable(adjective, mean, hard, severe, evil)
4
inflexible(adjective, mean, hard, tough, severe)
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APASmart Define. (2016). unfeeling thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfeeling/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfeeling thesaurus" https://smartdefine.org/unfeeling/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unfeeling thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfeeling/thesaurus/synonyms>.
MLASmart Define. "unfeeling thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/unfeeling/thesaurus/synonyms>