Synonyms|36Antonyms|10|Broader|0Narrower|1Related|0
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aloofness(noun, indifference, lethargy, insensitivity)
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apathy(noun, insouciance)
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coldness(noun, indifference, lethargy, insensitivity)
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coolness(noun, indifference, lethargy, insensitivity)
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detachment(noun, indifference, lethargy, insensitivity)
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disinterest(noun, indifference, lethargy, insensitivity)
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dispassion(noun, indifference, lethargy, insensitivity)
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disregard(noun, indifference, lethargy, insensitivity)
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dullness(noun, indifference, lethargy, insensitivity)
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emotionlessness(noun, indifference, lethargy, insensitivity, insouciance)
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feebleness
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halfheartedness(noun, indifference, lethargy, insensitivity, insouciance)
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heedlessness(noun, indifference, lethargy, insensitivity)
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impassivity
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incuriosity(noun, apathy)
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incuriousness(noun, apathy)
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indifference(noun, lethargy, insensitivity)
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ineffectiveness(noun, ineffectuality)
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ineffectuality(noun, indecision, irresolution, hesitancy)
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insensibility(noun, indifference, lethargy, insensitivity, indecision)
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APASmart Define. (1970). half-heartedness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/half-heartedness/thesaurus/synonyms
ChicagoSmart Define. 1970. "half-heartedness thesaurus" https://smartdefine.org/half-heartedness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 1970, half-heartedness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/half-heartedness/thesaurus/synonyms>.
MLASmart Define. "half-heartedness thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/half-heartedness/thesaurus/synonyms>