Collins COBUILD Advanced Learner's English Dictionary - crazy

(crazier, craziest, crazies) Frequency: The word is one of the 3000 most common words in English. 1. If you describe someone or something as crazy, you think they are very foolish or strange. (INFORMAL) People thought they were all crazy to try to make money from manufacturing... That’s why he’s got so caught up with this crazy idea about Mr. Trancas. ADJ c darkgreen]disapproval • crazily The teenagers shook their long, black hair and gesticulated crazily... ADV: ADV after v, ADV adj 2. Someone who is crazy is insane. (INFORMAL) If I sat home and worried about all this stuff, I’d go crazy... He strides around the room beaming like a crazy man. = mad ADJ • Crazy is also a noun. Outside, mumbling, was one of New York’s ever-present crazies. = loony N-COUNT 3. If you are crazy about something, you are very enthusiastic about it. If you are not crazy about something, you do not like it. (INFORMAL) He’s still crazy about both his work and his hobbies... = mad ADJ: v-link ADJ about n • Crazy is also a combining form. Every football-crazy schoolboy in Europe dreams of one day being involved in the championships. COMB in ADJ 4. If you are crazy about someone, you are deeply in love with them. (INFORMAL) None of that matters, because we’re crazy about each other. ADJ: v-link ADJ about n 5. If something or someone makes you crazy or drives you crazy, they make you extremely annoyed or upset. (INFORMAL) This sitting around is driving me crazy... When Jock woke up and found you gone he went crazy. = mad ADJ: v-link ADJ 6. You use like crazy to emphasize that something happens to a great degree. (INFORMAL) The stuff was selling like crazy... = like mad PHRASE: PHR after v c darkgreen]emphasis