nut [nuts]+(slang: insane person)noun[UK: nʌt] [US: ˈnət]
crazy [crazier, craziest]+(insane, demented)adjective[UK: ˈkreɪ.zi] [US: ˈkreɪ.zi]
mad [madder, maddest]+(insane (adj.))adjective[UK: mæd] [US: ˈmæd]
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