64 entries under harsh topic. ×

20
unfeeling(noun, adjective, mean, hard, cool)
18
callous(noun, adjective, calm, mean, hard)
8
tough(noun, adjective, mean, hard, severe)
7
hard-boiled(noun, adjective, calm, mean, hard)
7
obdurate(adjective, hard, tough, severe)
7
unsympathetic(adjective, mean, hard, tough, severe)
6
cold(adjective, calm, hard, cool, tough)
5
cold-blooded(adjective, hard, cool, tough, severe)
3
indurate(adjective, mean, hard, tough)
2
cold fish(expression, adjective, calm, mean, hard)
2
unkind(adjective, hard, tough, severe)
2
unsparing(adjective, tough, grim, painful)
1
adamant(adjective, mean, hard, tough)
1
austere(adjective, tough, cruel, detached)
1
brutal(adjective, hard, tough, severe)
1
bullhead(adjective, mean, hard, tough)
1
dogged(adjective, mean, hard, inflexible)
1
exacting(adjective, hard, tough, severe)
1
firm(adjective, mean, hard, tough)
1
fixed(adjective, mean, hard, tough)
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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>