96 entries under indifferent topic. ×

2
unresponsive(adjective, calm, hard, careless)
1
above(adjective, detached, distant, remote)
1
apart(adjective, detached, distant, remote)
1
blind to(expression, adjective, hard, careless)
1
careless(adjective, hard, cruel, apathetic)
1
casual(adjective, calm, restrained, detached)
1
deaf to(expression, adjective, hard, careless)
1
detached(adjective, cool, blank, weary)
1
distant(adjective, cool, detached, blank)
1
feelingless(adjective, hard, tough, severe)
1
forbidding(adjective, detached, distant, remote)
1
hard-bitten(adjective, hard, careless, cruel)
1
hard as nails(expression, adjective, idiom, calm, hard)
1
haughty(adjective, detached, distant, remote)
1
impenitent(adjective, hard, careless, cruel)
1
incurious(adjective, hard, detached, weary)
1
inflexible(adjective, mean, hard, careless)
1
laid back(expression, adjective, cool, detached)
1
listless(adjective, detached, weary, apathetic)
1
lone wolf(expression, adjective, detached, distant)
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APASmart Define. (2016). thick-skinned thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thick-skinned/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick-skinned thesaurus" https://smartdefine.org/thick-skinned/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, thick-skinned thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thick-skinned/thesaurus/synonyms>.
MLASmart Define. "thick-skinned thesaurus" 28 March 2016. Web. 28 September 2026. <https://smartdefine.org/thick-skinned/thesaurus/synonyms>