104 entries under unresponsive topic. ×

1
unexcitable(adjective, detached, impassive, insensitive)
1
unexcited(adjective, calm, restrained, unconcerned, subdued)
1
unimpressed(adjective, calm, restrained, unconcerned, subdued)
1
unimpressionable(adjective, detached, impassive, insensitive)
1
uninfluenced(adjective, calm, restrained, unconcerned, subdued)
1
unruffled(adjective, calm, indifferent, restrained, unconcerned)
0
abnegating(adjective, calm, restrained, subdued, impassive)
0
abstaining(adjective, calm, restrained, subdued, impassive)
0
clear-headed(adjective, calm, restrained, subdued, impassive)
0
composed(adjective, calm, restrained, detached, subdued)
0
constrained(adjective, calm, restrained, subdued, impassive)
0
disciplined(adjective, calm, restrained, subdued, impassive)
0
down-to-earth(adjective, calm, restrained, subdued, impassive)
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drab(adjective, calm, restrained, subdued, impassive)
0
earnest(adjective, calm, restrained, subdued, impassive)
0
eschewing(adjective, calm, restrained, subdued, impassive)
0
forgoing(adjective, calm, restrained, subdued, impassive)
0
grave(adjective, calm, restrained, subdued, impassive)
0
inexpressive(adjective, detached, impassive, dispassionate)
0
inhibited(adjective, calm, restrained, subdued, impassive)
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APASmart Define. (2016). hard-hearted thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard-hearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-hearted thesaurus" https://smartdefine.org/hard-hearted/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hard-hearted thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-hearted/thesaurus/synonyms>.
MLASmart Define. "hard-hearted thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-hearted/thesaurus/synonyms>