Synonyms|282Antonyms|107|Broader|1Narrower|0Related|1.4k
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cockamamie
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crackpot
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cuckoo
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daffy
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delirious
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dim
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dim-witted
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dimwitted
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doltish
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dopey
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dorky
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dotty
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dunderheaded
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empty-headed
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featherheaded
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feebleminded
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fool
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fool around
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gormless
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graceless
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APASmart Define. (2015). sapient thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sapient/thesaurus/antonyms
ChicagoSmart Define. 2015. "sapient thesaurus" https://smartdefine.org/sapient/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sapient thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sapient/thesaurus/antonyms>.
MLASmart Define. "sapient thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sapient/thesaurus/antonyms>