50 entries under careless topic. ×

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fustian(adjective, weak, feeble)
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futile(adjective, weak, feeble)
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giddy(adjective, immoral, thoughtless, reckless)
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good-for-nothing(adjective, weak, feeble, undirected)
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heedless(adjective, wild, thoughtless, daring)
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ill-considered(adjective, immoral, thoughtless, reckless)
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immature(adjective, immoral, thoughtless, reckless)
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immoral(adjective, thoughtless, reckless, negligent)
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incompetent(adjective, weak, feeble)
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inconsiderate(adjective, wild, thoughtless, daring)
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indiscreet(adjective, wild, thoughtless, daring)
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ineffective(adjective, weak, feeble)
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ineffectual(adjective, weak, feeble)
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lax(adjective, foolish, immoral, thoughtless)
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loose(adjective, immoral, thoughtless, reckless)
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meaningless(adjective, weak, feeble, undirected)
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no-account(adjective, immoral, thoughtless, reckless)
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scatterbrained(adjective, immoral, thoughtless, reckless)
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unaccountable(adjective, immoral, thoughtless, reckless)
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unanswerable(adjective, immoral, thoughtless, reckless)
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APASmart Define. (2015). uncareful thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/uncareful/thesaurus/synonyms
ChicagoSmart Define. 2015. "uncareful thesaurus" https://smartdefine.org/uncareful/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, uncareful thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/uncareful/thesaurus/synonyms>.
MLASmart Define. "uncareful thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/uncareful/thesaurus/synonyms>