128 entries under hard topic. ×

1
tough nut to crack(expression, adjective, idiom, mean)
1
unamiable(adjective, tough, severe, cruel)
1
unbending(adjective, mean, careless, indifferent)
1
uncompromising(adjective, mean, tough, harsh)
1
uncooperative(adjective, mean, tough, harsh)
1
uncordial(adjective, tough, severe, cruel)
1
unimpressible(adjective, mean, tough, harsh)
1
unimpressionable(adjective, careless, indifferent, cruel)
1
unrelenting(adjective, mean, tough, harsh)
1
unshakable(adjective, mean, tough, harsh)
1
unyielding(adjective, mean, harsh, inflexible)
0
accustomed(adjective, unfeeling, unsympathetic, hardened)
0
bloodless(adjective, indifferent, unkind, unresponsive)
0
casehardened(unfeeling, unsympathetic, hardened, toughened)
0
contemptuous(adjective, unfeeling, unsympathetic, hardened)
0
crass(adjective, indifferent, unkind, unresponsive)
0
cynical(adjective, unfeeling, unsympathetic, hardened)
0
disdainful(adjective, unfeeling, unsympathetic, hardened)
0
habituated(adjective, unfeeling, unsympathetic, hardened)
0
impenetrable(adjective, unfeeling, unsympathetic, hardened)
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APASmart Define. (2016). thick-skinned thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/thick-skinned/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick-skinned thesaurus" https://smartdefine.org/thick-skinned/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, thick-skinned thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/thick-skinned/thesaurus/synonyms>.
MLASmart Define. "thick-skinned thesaurus" 28 March 2016. Web. 27 September 2026. <https://smartdefine.org/thick-skinned/thesaurus/synonyms>