: not mentally sound : marked by thought or action that lacks reason : insane sense 1b
yelling like a crazy person
—not used technically
: being out of the ordinary : unusual
: distracted with desire or excitement
The fans went crazy when their team won the championship.
: absurdly fond : infatuated
He's crazy about the girl.
: full of cracks or flaws : unsound
… they were very crazy, wretched cabins …—Charles Dickens
… an inside view of the craziness of Hollywood and the media moguls who run it.
: someone who is or acts mentally unsound
: such a person associated with a radical or extremist political cause
… are convinced that Wilson thinks they're rubes, bumpkins, or crazies, and wants to replace them with a legislature full of moderate clones of himself. —Fred Barnes
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