1
marble(adjective, detached, impassive, unresponsive, laid-back)
1
matter-of-fact(adjective, cool, detached, blank, sober)
1
mean(adjective, hard, tough, harsh, unfeeling)
1
mulish(adjective, mean, hard, harsh, inflexible)
1
nerveless(adjective, calm, cool, steady, tranquil)
1
nonemotional(adjective, cool, detached, blank, sober)
1
not influenced(expression, adjective, calm, restrained, unconcerned)
1
not responsive(expression, adjective, detached, impassive, unresponsive)
1
nowhere(adjective, cool, detached, blank, sober)
1
numbed
1
obstinate(adjective, mean, hard, harsh, inflexible)
1
offish(adjective, indifferent, detached, distant, remote)
1
on ice(expression, adjective, indifferent, detached, distant)
1
out-and-out
1
passionless(adjective, detached, impassive, unresponsive, laid-back)
1
perverse(adjective, mean, hard, tough, harsh)
1
phlegmatic(adjective, detached, impassive, unresponsive, laid-back)
1
poker face(expression, adjective, cool, detached, blank)
1
prone
1
proof(adjective, calm, restrained, unconcerned, subdued)
10 years ago|6k views|share |citing 
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>