0
unaware(adjective, cold, indifferent, unresponsive, numb)
0
unconscious(adjective, cold, indifferent, unresponsive, numb)
0
uncordial(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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unimpassioned(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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unimpressed(adjective, unfeeling, hard-hearted, nowhere, obdurate)
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unintelligible(adjective, cold, indifferent, unresponsive, numb)
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unmindful(adjective, cold, indifferent, unresponsive, numb)
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unmoral
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unrepenting(adjective, callous, unexcitable, hard-as-nails)
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unrevealing(adjective, blank, unemotional, emotionless, expressionless)
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unsubmissive(adjective, callous, unexcitable, hard-as-nails)
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untroubled(adjective, calm, cool, relaxed, detached)
0
with straight face(expression, adjective, idiom, unfeeling, hard-hearted)
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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>