crazy

adjective (crazier, craziest)

• 1mentally deranged, especially as manifested in a wild or aggressive way:Stella went crazy and assaulted a visitor a crazy grin
• extremely annoyed or angry:the noise they made was driving me crazy
• foolish:it was crazy to hope that good might come out of this mess

• 2extremely enthusiastic:I’m crazy about Cindy a football-crazy bunch of boys

• 3(of an angle) appearing absurdly out of place or in an unlikely position:the monument leaned at a crazy angle
• archaic (of a ship or building) full of cracks or flaws; unsound or shaky.

noun (plural crazies)

• a mentally deranged person.