128 entries under unresponsive topic. ×

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bloodless(adjective, oblivious, unmoved)
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clear-headed(adjective, calm, restrained, subdued, impassive)
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coldhearted(adjective, oblivious, unmoved)
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collected(adjective, calm, restrained, subdued, impassive)
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composed(adjective, calm, restrained, subdued, impassive)
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constrained(adjective, calm, restrained, subdued, impassive)
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crass(adjective, oblivious, unmoved)
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disciplined(adjective, calm, restrained, subdued, impassive)
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down-to-earth(adjective, calm, restrained, subdued, impassive)
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drab(adjective, calm, restrained, subdued, impassive)
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earnest(adjective, calm, restrained, subdued, impassive)
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eschewing(adjective, calm, restrained, subdued, impassive)
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feelingless(adjective, oblivious, unmoved)
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forgoing(adjective, calm, restrained, subdued, impassive)
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grave(adjective, calm, restrained, subdued, impassive)
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hard as nails(expression, adjective, idiom, oblivious)
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imperceptive(adjective, oblivious, unmoved)
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incurious(adjective, oblivious, unmoved)
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inhibited(adjective, calm, restrained, detached, subdued)
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inured to(expression, adjective, oblivious, unmoved)
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APASmart Define. (2015). impervious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impervious/thesaurus/synonyms
ChicagoSmart Define. 2015. "impervious thesaurus" https://smartdefine.org/impervious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impervious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impervious/thesaurus/synonyms>.
MLASmart Define. "impervious thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/impervious/thesaurus/synonyms>