155 entries under unsympathetic topic. ×

1
hard-as-nails(adjective, hard, unfeeling, hardened)
1
hard-bitten(adjective, hard, careless, indifferent, cruel)
1
hard-nosed(adjective, mean, hard, tough, harsh)
1
haughty(adjective, indifferent, detached, distant, apathetic)
1
heedless(adjective, indifferent, detached, distant, apathetic)
1
highbrow(adjective, indifferent, detached, distant, apathetic)
1
impartial(adjective, indifferent, detached, distant, apathetic)
1
impenetrable(adjective, hard, cruel, unfeeling)
1
impenitent(adjective, hard, careless, indifferent, cruel)
1
impervious(adjective, indifferent, detached, distant, apathetic)
1
inaccessible(adjective, hard, unfeeling, hardened)
1
inanimate(adjective, hard, tough, severe, cruel)
1
inattentive(adjective, indifferent, detached, distant, apathetic)
1
insentient(adjective, hard, careless, indifferent, cruel)
1
iron-hearted(adjective, hard, tough, severe, cruel)
1
lukewarm(adjective, mean, hard, cool, unpleasant)
1
matter-of-fact(adjective, cool, cold, cruel, detached)
1
neutral(adjective, indifferent, detached, distant, apathetic)
1
prepared(adjective, hard, unfeeling, hardened)
1
regardless(adjective, indifferent, detached, distant, apathetic)
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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>