110 entries under indifferent topic. ×

1
lukewarm(adjective, mean, hard, cool, unpleasant)
1
neutral(adjective, detached, distant, apathetic)
1
regardless(adjective, detached, distant, apathetic)
1
repellent(adjective, mean, hard, cool, unpleasant)
1
repugnant(adjective, mean, hard, cool, unpleasant)
1
scornful(adjective, detached, distant, apathetic)
1
silent(adjective, detached, distant, apathetic)
1
stiff(adjective, hard, careless, cruel)
1
stoical(adjective, cool, detached, blank)
1
supercilious(adjective, detached, distant, apathetic)
1
superior(adjective, detached, distant, apathetic)
1
toughened(adjective, hard, careless, cruel)
1
unaffected(adjective, hard, careless, cruel)
1
unaroused(adjective, detached, distant, apathetic)
1
unbiased(adjective, detached, distant, apathetic)
1
uncommunicative(adjective, detached, distant, apathetic)
1
uncongenial(adjective, mean, hard, cool, unpleasant)
1
unimpressed(adjective, detached, distant, apathetic)
1
uninvolved(adjective, detached, distant, apathetic)
1
unpleasant(adjective, mean, hard, cool, cold)
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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>