Synonym: daft, insane, lunatic, mad, unbalanced. Antonym: sane. Similar words: craze, frazzle, frazzled, cramp, crawl, crack, craft, crash. Meaning: ['kreɪzɪ] 
n. someone deranged and possibly dangerous. adj. 1. affected with madness or insanity 2. foolish; totally unsound 3. marked by foolish or unreasoning fondness 4. possessed by inordinate excitement 5. bizarre or fantastic 6. intensely enthusiastic about or preoccupied with.
n. someone deranged and possibly dangerous. adj. 1. affected with madness or insanity 2. foolish; totally unsound 3. marked by foolish or unreasoning fondness 4. possessed by inordinate excitement 5. bizarre or fantastic 6. intensely enthusiastic about or preoccupied with. 
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31, You'll have to work like crazy to get this finished.
32, People thought they were all crazy to try to make money from manufacturing.
33, I'm crazy about you.
34, Those who are crazy enough to think they can change the world, then he can really change the world.
35, Because loved a crazy, so see you still smiling silence.
36, 'You're crazy!' she laughed.
37, She's just a crazy mixed-up kid.
38, Donny could be wild and crazy .
39, That noise is driving me crazy.
40, I mean, how crazy can you get?
41, I argued her out of her crazy idea.
42, The endless noise is driving me crazy.
43, The way that you're doing it is completely crazy.
44, Don't fret, Mary. This is all some crazy mistake.
45, They stared at me as if I was crazy.
46, I'm not crazy about Chinese food .
47, He's just plain crazy, if you ask me.
48, It was crazy of you to let him go.sentencedict.com
49, This sitting around is driving me crazy.
50, You're crazy to buy a house without seeing it.
51, She's crazy to lend him the money.
52, Turn that music down. It's driving me crazy !
53, Don't go crazy and spend it all at once.
54, Dad will go crazy when he hears about this.
55, He probably thinks you're both crazy!
56, What started her off on that crazy idea?
57, I pumped the handle like crazy.
58, 'That's crazy,' I said. 'Isn't it just?' he said.
59, It's crazy, I know, but there it is.
60, It's an absolutely crazy idea .
More similar words: craze, frazzle, frazzled, cramp, crawl, crack, craft, crash, crayon, scrawl, craggy, crabby, craving, cranium, scratch, crackdown, scrabble, Democrat, aircraft, scramble, crawling, scrawled, democracy, lucrative, unscramble, witchcraft, democratic, autocratic, aristocrat, bureaucracy.