94 entries under unresponsive topic. ×

2
listless(adjective, indifferent, detached, distant, apathetic)
2
nonpartisan(adjective, indifferent, detached, distant, apathetic)
2
undemonstrative(adjective, cool, detached, blank, sober)
1
phlegmatic(adjective, cool, indifferent, detached, blank)
1
uninterested(adjective, indifferent, detached, distant, apathetic)
1
unmoved(adjective, mean, hard, cool, unpleasant)
1
along for the ride(expression, adjective, idiom, detached, impassive)
1
composed(adjective, cool, detached, blank, aloof)
1
deadpan(adjective, cool, detached, blank, sober)
1
diffident(adjective, indifferent, detached, distant, apathetic)
1
distant(adjective, cool, indifferent, detached, blank)
1
equitable(adjective, indifferent, detached, distant, apathetic)
1
feelingless(adjective, hard, tough, severe, indifferent)
1
flat(adjective, cool, detached, blank, sober)
1
glacial(adjective, cool, detached, blank, sober)
1
hard as nails(expression, adjective, idiom, feeling, hard)
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)
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APASmart Define. (2016). heartless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>