87 entries under insensitive topic. ×

6
unresponsive(adjective, mean, hard, cool, unpleasant)
5
anesthetized(adjective, hard, tough, severe, cruel)
5
insensible(adjective, hard, cool, tough, severe)
5
nonchalant(adjective, cool, indifferent, detached, blank)
5
objective(adjective, indifferent, detached, distant, apathetic)
5
spiritless(adjective, hard, cool, careless, indifferent)
4
passive
3
blunt
3
inflexible(adjective, mean, hard, harsh, careless)
3
insusceptible(adjective, hard, cool, blank, aloof)
3
obtuse(adjective, hard, indifferent, aloof, unfeeling)
2
case-hardened(adjective, hard, careless, indifferent, cruel)
2
impassible(hard, insensibility, unsusceptible)
2
unbending(adjective, mean, hard, careless, indifferent)
2
unimpressionable(adjective, hard, careless, indifferent, cruel)
2
unsusceptible(adjective, hard, careless, indifferent, cruel)
2
disinterested(adjective, mean, hard, cool, unpleasant)
2
indurated(adjective, hard, cool, careless, indifferent)
2
insensate(adjective, hard, tough, severe, careless)
2
inured(adjective, hard, careless, indifferent, cruel)
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APASmart Define. (2016). heartless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>