Synonyms|207Antonyms|35|Broader|0Narrower|0Related|134
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indeterminate(adjective, careless, thoughtless)
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mechanical
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natural
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neglected(adjective, forgotten)
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robotic
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thoughtless(adjective, careless)
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uncareful(adjective, careless, thoughtless)
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unfixed
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unmethodical(adjective, careless, thoughtless)
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unmindful(adjective, careless, thoughtless)
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unplanned(adjective, forgotten)
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unstudied(adjective, forgotten)
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unsystematic(adjective, careless, thoughtless)
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unwilling
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unwitting(adjective, careless, thoughtless)
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APASmart Define. (2015). aforethought thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/aforethought/thesaurus/antonyms
ChicagoSmart Define. 2015. "aforethought thesaurus" https://smartdefine.org/aforethought/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, aforethought thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/aforethought/thesaurus/antonyms>.
MLASmart Define. "aforethought thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/aforethought/thesaurus/antonyms>