123 entries under unresponsive topic. ×

4
uncaring(adjective, hard, tough, severe, careless)
4
unsusceptible(noun, adjective, hard, careless, indifferent)
3
coldhearted(adjective, hard, indifferent, detached, unfeeling)
3
dispassionate(adjective, calm, cool, indifferent, restrained)
3
emotionless(adjective, detached, blank, unfeeling, impassive)
3
hardhearted(adjective, hard, careless, indifferent, cruel)
3
impassive(adjective, calm, hard, cool, careless)
3
imperceptive(adjective, hard, indifferent, unkind)
3
reserved(adjective, calm, cool, indifferent, restrained)
3
unaffected(adjective, calm, hard, cool, careless)
2
aloof(adjective, calm, hard, indifferent, restrained)
2
cold fish(expression, adjective, calm, mean, hard)
2
imperturbable(adjective, calm, cool, restrained, steady)
2
uncompassionate(adjective, mean, hard, tough, severe)
2
unconcerned(adjective, calm, hard, careless, indifferent)
2
unkind(adjective, hard, tough, severe, harsh)
2
unmoved(adjective, calm, cool, restrained, steady)
1
along for the ride(expression, adjective, idiom, detached, impassive)
1
blah(adjective, detached, impassive, laid-back)
1
calm(adjective, cool, restrained, steady, detached)
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APASmart Define. (2016). thick-skinned thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thick-skinned/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick-skinned thesaurus" https://smartdefine.org/thick-skinned/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, thick-skinned thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thick-skinned/thesaurus/synonyms>.
MLASmart Define. "thick-skinned thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/thick-skinned/thesaurus/synonyms>