94 entries under unresponsive topic. ×

1
impervious(adjective, indifferent, detached, distant, apathetic)
1
inattentive(adjective, indifferent, detached, distant, apathetic)
1
inexpressive(adjective, cool, detached, blank, aloof)
1
laid-back(adjective, detached, impassive, reticent)
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marble(adjective, detached, impassive, laid-back)
1
neutral(adjective, indifferent, detached, distant, apathetic)
1
not responsive(expression, adjective, detached, impassive)
1
poker-faced(adjective, cool, detached, blank, aloof)
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quiet(adjective, detached, impassive, laid-back)
1
regardless(adjective, indifferent, detached, distant, apathetic)
1
reserved(adjective, cool, detached, blank, aloof)
1
reticent(adjective, cool, detached, blank, aloof)
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rolling with the punches(expression, adjective, idiom, detached, impassive)
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scornful(adjective, indifferent, detached, distant, apathetic)
1
silent(adjective, indifferent, detached, distant, apathetic)
1
stoical(adjective, cool, indifferent, detached, blank)
1
supercilious(adjective, indifferent, detached, distant, apathetic)
1
superior(adjective, indifferent, detached, distant, apathetic)
1
unaffected(adjective, hard, careless, indifferent, cruel)
1
unaroused(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>