Synonyms|1.4kAntonyms|464|Broader|16Narrower|51Related|1.9k
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apathetic
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arbitrary
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arrogant
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askew
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asleep
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astigmatic
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automatic
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barefaced(adjective, open, shameless)
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barmy
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batty
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beyond all reason(expression, idiom, reasonable, sensible)
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beyond reason(expression, reasonable, sensible)
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biased
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bighearted
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blind
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blowsy
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brassy(adjective, vulgar, loud)
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broad
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brutish(calm, apathetic, compassionate, chaste)
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carefree
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APASmart Define. (2016). careful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/careful/thesaurus/antonyms
ChicagoSmart Define. 2016. "careful thesaurus" https://smartdefine.org/careful/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, careful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/careful/thesaurus/antonyms>.
MLASmart Define. "careful thesaurus" 24 January 2016. Web. 28 September 2026. <https://smartdefine.org/careful/thesaurus/antonyms>