Synonyms|163Antonyms|73|Broader|0Narrower|0Related|630
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flipped-out(adjective, mad, insane, manic-depressive)
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genuine
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groom
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honest
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ill
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justifiable
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laughable
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limited
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looney
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ludicrous
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luny
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maddened
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manic
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mentally deranged(expression, adjective, mad, insane, manic-depressive)
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not right upstairs
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objective
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off one's trolley
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off rocker
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out of head
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out of it
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ChicagoSmart Define. 2016. "certifiable thesaurus" https://smartdefine.org/certifiable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, certifiable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/certifiable/thesaurus/synonyms>.
MLASmart Define. "certifiable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/certifiable/thesaurus/synonyms>