165 entries under adjective topic. ×

3
impassive(calm, cool, relaxed, detached)
2
insensitive(unresponsive, unaware)
2
insusceptible(cool, blank, aloof, unemotional)
2
unsusceptible(cold, indifferent, unresponsive, numb)
1
adamant(mean, hard, tough, harsh)
1
airy(calm, cool, relaxed, detached)
1
aloof(calm, cool, relaxed, detached)
1
apathetic(calm, cool, relaxed, detached)
1
blase(calm, cool, relaxed, detached)
1
bullhead(mean, hard, tough, harsh)
1
callous(mean, hard, cool, tough)
1
careless(calm, cool, relaxed, detached)
1
cold(calm, cool, relaxed, indifferent)
1
cold-blooded(cool, blank, aloof, unemotional)
1
cold fish(expression, mean, hard, unfeeling)
1
collected(calm, cool, relaxed, casual)
1
composed(calm, cool, relaxed, casual)
1
cool(calm, relaxed, casual, blank)
1
disimpassioned(calm, cool, relaxed, detached)
1
dispassionate(calm, cool, relaxed, casual)
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APASmart Define. (2015). unimpressible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unimpressible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unimpressible thesaurus" https://smartdefine.org/unimpressible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unimpressible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unimpressible/thesaurus/synonyms>.
MLASmart Define. "unimpressible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unimpressible/thesaurus/synonyms>