111 entries under heartless topic. ×

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exacting(adjective, cruel, unsympathetic, pitiless)
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imperceptive(adjective, hard, indifferent, unkind, unresponsive)
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inanimate(adjective, cruel, unsympathetic, pitiless)
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incurious(adjective, hard, indifferent, unkind, unresponsive)
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iron-hearted(adjective, cruel, unsympathetic, pitiless)
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sensationless(adjective, cruel, unsympathetic, pitiless)
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senseless(adjective, cruel, unsympathetic, pitiless)
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surly(adjective, cruel, unsympathetic, brutal, pitiless)
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unamiable(adjective, cruel, unsympathetic, pitiless)
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uncalled for(expression, mean, severe, harsh)
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uncompromising(adjective, severe, harsh, cruel, unsympathetic)
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APASmart Define. (2016). hardhearted thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hardhearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardhearted thesaurus" https://smartdefine.org/hardhearted/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hardhearted thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hardhearted/thesaurus/synonyms>.
MLASmart Define. "hardhearted thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/hardhearted/thesaurus/synonyms>