Synonyms|36Antonyms|10|Broader|0Narrower|1Related|0
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insensibleness(noun, apathy)
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insensitivity(noun, indifference, lethargy, insouciance)
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insouciance(noun, indifference, lethargy, insensitivity)
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lassitude(noun, indifference, lethargy, insensitivity)
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lethargy(noun, indifference, insensitivity)
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listlessness(noun, indifference, lethargy, insensitivity)
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passiveness(noun, indifference, lethargy, insensitivity)
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passivity(noun, indifference, lethargy, insensitivity, insouciance)
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phlegm(noun, apathy)
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stoicism(noun, indifference, lethargy, insensitivity)
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stolidity(noun, apathy, indecision, irresolution, hesitancy)
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stolidness(noun, apathy)
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uncaring attitude(noun, expression, indifference, lethargy, insensitivity)
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unconcern(noun, indifference, lethargy, insensitivity)
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uninterest(noun, apathy)
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unresponsiveness(noun, indifference, lethargy, insensitivity)
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APASmart Define. (1970). half-heartedness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/half-heartedness/thesaurus/synonyms
ChicagoSmart Define. 1970. "half-heartedness thesaurus" https://smartdefine.org/half-heartedness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 1970, half-heartedness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/half-heartedness/thesaurus/synonyms>.
MLASmart Define. "half-heartedness thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/half-heartedness/thesaurus/synonyms>