The meaning of crazy is not mentally sound Marked by thought or action that lacks reason How to use crazy in a sentence. If you describe someone or something as crazy, you think they are very foolish or strange. Definition of crazy adjective in oxford advanced american dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
One who is or appears to be mentally deranged To them she is not a brusque crazy, but 'appropriately passionate' (mary mcgrory). When she gets on the motorcycle she goes crazy Quotations he went crazy when he won.
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