Synonyms|487Antonyms|231|Broader|8Narrower|16Related|406
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interestedness(calm, ease)
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investigation
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inwardness
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judgment
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keeping
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kindliness
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laboriousness(inactivity, lethargy)
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lessen
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lissomeness
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listen up(expression, disregard, neglect)
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lithesomeness
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lookout
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mannerliness
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mark
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mark up
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meditation
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meticulousness
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mind
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mindfulness(disregard, neglect)
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ministration
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APASmart Define. (2015). thoughtlessness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thoughtlessness/thesaurus/antonyms
ChicagoSmart Define. 2015. "thoughtlessness thesaurus" https://smartdefine.org/thoughtlessness/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, thoughtlessness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thoughtlessness/thesaurus/antonyms>.
MLASmart Define. "thoughtlessness thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/thoughtlessness/thesaurus/antonyms>