110 entries under indifferent topic. ×

1
aversive(adjective, mean, hard, cool, unpleasant)
1
blind to(verb, expression, adjective, phrasal verb, hard)
1
careless(adjective, hard, cruel, apathetic)
1
cutthroat(adjective, mean, hard, severe, harsh)
1
deaf to(verb, expression, adjective, phrasal verb, hard)
1
diffident(adjective, detached, distant, apathetic)
1
distant(adjective, cool, detached, blank)
1
equitable(adjective, detached, distant, apathetic)
1
feelingless(adjective, hard, tough, severe)
1
halfhearted(adjective, mean, hard, cool, unpleasant)
1
hard-bitten(adjective, hard, careless, cruel)
1
hard as nails(expression, adjective, idiom, feeling, hard)
1
haughty(adjective, detached, distant, apathetic)
1
heedless(adjective, detached, distant, apathetic)
1
highbrow(adjective, detached, distant, apathetic)
1
impartial(adjective, detached, distant, apathetic)
1
impenitent(adjective, hard, careless, cruel)
1
impervious(adjective, detached, distant, apathetic)
1
inattentive(adjective, detached, distant, apathetic)
1
insentient(adjective, hard, careless, cruel)
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APASmart Define. (2016). heartless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>