Synonyms|128Antonyms|38|Broader|0Narrower|0Related|2
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rash(adjective, quiet, careless)
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remiss(adjective, mean, rude)
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rude(adjective, mean)
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stupid(adjective, mean, rude)
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thoughtless(adjective, quiet, careless)
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unafraid(adjective, quiet, careless)
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unaware(adjective, quiet, careless)
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uncareful(adjective, quiet, careless)
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uncivil(adjective, mean, rude)
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undiscriminating
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uninformed(adjective, quiet, careless)
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unmannerly(adjective, mean, rude)
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unmindful(adjective, quiet, careless)
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unobservant(adjective, quiet, careless)
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unrefined(adjective, mean, rude)
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unthoughtful(adjective, mean, rude, tactful, solemn)
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unwatchful(adjective, undiscriminating)
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unworried(adjective, quiet, careless)
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APASmart Define. (2013). observative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/observative/thesaurus/antonyms
ChicagoSmart Define. 2013. "observative thesaurus" https://smartdefine.org/observative/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2013, observative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/observative/thesaurus/antonyms>.
MLASmart Define. "observative thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/observative/thesaurus/antonyms>