72 entries under restrained topic. ×

1
casual(adjective, calm, indifferent, detached)
1
collected(adjective, calm, subdued, impassive)
1
easy-going(adjective, calm, unconcerned, subdued)
1
imperturbable(adjective, calm, cold, cruel)
1
laid-back(adjective, calm, detached, unconcerned)
1
lukewarm(adjective, calm, indifferent, unsympathetic)
1
not influenced(expression, adjective, calm, unconcerned)
1
proof(adjective, calm, unconcerned, subdued)
1
quiet(adjective, calm, detached, subdued)
1
serene(adjective, calm, indifferent, unsympathetic)
1
steady(adjective, calm, unconcerned, subdued)
1
unaltered(adjective, calm, unconcerned, subdued)
1
unchanged(adjective, calm, unconcerned, subdued)
1
unexcited(adjective, calm, unconcerned, subdued)
1
unimpressed(adjective, calm, unconcerned, subdued)
1
uninfluenced(adjective, calm, unconcerned, subdued)
1
unruffled(adjective, calm, indifferent, unconcerned)
0
abnegating(adjective, calm, subdued, impassive)
0
abstaining(adjective, calm, subdued, impassive)
0
clear-headed(adjective, calm, subdued, impassive)
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APASmart Define. (2016). hard-hearted thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hard-hearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-hearted thesaurus" https://smartdefine.org/hard-hearted/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, hard-hearted thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hard-hearted/thesaurus/synonyms>.
MLASmart Define. "hard-hearted thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/hard-hearted/thesaurus/synonyms>