63 entries under apathetic topic. ×

20
unfeeling(noun, adjective, mean, hard, cool)
15
insensitive(noun, adjective, hard, tough, severe)
9
hardened(noun, adjective, hard, tough, severe)
8
tough(noun, adjective, mean, hard, severe)
7
hard(adjective, mean, tough, severe, careless)
7
hard-boiled(noun, adjective, calm, mean, hard)
7
heartless(adjective, mean, feeling, hard, cool)
7
indifferent(adjective, calm, hard, cool, careless)
7
obdurate(adjective, hard, tough, severe, harsh)
7
stony(adjective, hard, tough, severe, careless)
7
unsympathetic(adjective, mean, hard, tough, severe)
6
cold(adjective, calm, hard, cool, tough)
6
hard-hearted(adjective, calm, mean, hard, tough)
5
cold-blooded(adjective, hard, cool, tough, severe)
5
insensible(adjective, hard, tough, severe, careless)
4
case-hardened(noun, adjective, hard, careless, indifferent)
4
insensate(noun, adjective, hard, tough, severe)
4
toughened(noun, adjective, hard, careless, indifferent)
4
uncaring(adjective, hard, tough, severe, careless)
4
unsusceptible(noun, adjective, hard, careless, indifferent)
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APASmart Define. (2016). thick-skinned thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thick-skinned/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick-skinned thesaurus" https://smartdefine.org/thick-skinned/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thick-skinned thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thick-skinned/thesaurus/synonyms>.
MLASmart Define. "thick-skinned thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/thick-skinned/thesaurus/synonyms>