155 entries under unsympathetic topic. ×

1
accustomed(adjective, hard, unfeeling, hardened)
1
antipathetic(adjective, mean, hard, cool, unpleasant)
1
asleep(adjective, hard, tough, severe, cruel)
1
aversive(adjective, mean, hard, cool, unpleasant)
1
blind to(verb, expression, adjective, phrasal verb, hard)
1
cantankerous(adjective, hard, tough, severe, cruel)
1
careless(adjective, hard, indifferent, cruel, apathetic)
1
churlish(adjective, hard, tough, severe, cruel)
1
contemptuous(adjective, hard, unfeeling, hardened)
1
crotchety(adjective, hard, tough, severe, cruel)
1
deadened(adjective, hard, tough, severe, cruel)
1
deaf to(verb, expression, adjective, phrasal verb, hard)
1
diffident(adjective, indifferent, detached, distant, apathetic)
1
disdainful(adjective, hard, unfeeling, hardened)
1
distant(adjective, cool, indifferent, detached, blank)
1
equitable(adjective, indifferent, detached, distant, apathetic)
1
exacting(adjective, hard, tough, severe, cruel)
1
feelingless(adjective, hard, tough, severe, indifferent)
1
habituated(adjective, hard, unfeeling, hardened)
1
halfhearted(adjective, mean, hard, cool, unpleasant)
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APASmart Define. (2016). heartless thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>