165 entries under adjective topic. ×

1
indurate(mean, hard, tough, harsh)
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indurated(cool, blank, aloof, unemotional)
1
inexcitable(cool, blank, aloof, unemotional)
1
inexorable(mean, hard, tough, harsh)
1
inexpressive(cool, blank, aloof, unemotional)
1
inflexible(mean, hard, harsh, stubborn)
1
inscrutable(cool, blank, aloof, unemotional)
1
insensible(cool, indifferent, blank, aloof)
1
insouciant(calm, cool, relaxed, detached)
1
iron(mean, hard, tough, harsh)
1
laid back(expression, calm, cool, relaxed)
1
light(calm, cool, relaxed, detached)
1
loose(calm, cool, relaxed, detached)
1
matter-of-fact(cool, blank, aloof, unemotional)
1
mean(hard, tough, harsh, unfeeling)
1
mulish(mean, hard, harsh, inflexible)
1
neglectful(calm, cool, relaxed, detached)
1
negligent(calm, cool, relaxed, detached)
1
nonchalant(calm, cool, relaxed, casual)
1
obdurate(cold, indifferent, stiff, inflexible)
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APASmart Define. (2015). unimpressible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unimpressible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unimpressible thesaurus" https://smartdefine.org/unimpressible/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unimpressible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unimpressible/thesaurus/synonyms>.
MLASmart Define. "unimpressible thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unimpressible/thesaurus/synonyms>