Usually means: Mentally unstable or wildly enthusiastic.
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We found 37 dictionaries that define the word crazy:

General (28 matching dictionaries)
  1. crazy: Merriam-Webster.com
  2. crazy: Oxford Learner's Dictionaries
  3. crazy: American Heritage Dictionary of the English Language
  4. crazy: Collins English Dictionary
  5. crazy: Vocabulary.com
  6. Crazy, crazy: Wordnik
  7. crazy: Cambridge Advanced Learner's Dictionary
  8. crazy: Wiktionary
  9. crazy: Webster's New World College Dictionary, 4th Ed.
  10. crazy: The Wordsmyth English Dictionary-Thesaurus
  11. crazy: Infoplease Dictionary
  12. crazy: Dictionary.com
  13. crazy: Cambridge Essential American English Dictionary
  14. C.R.A.Z.Y, (You Drive Me) Crazy, Crazy (Aerosmith song), Crazy (Andy Bell song), Crazy (Anggun song), Crazy (Dream song), Crazy (EP), Crazy (Eternal song), Crazy (From Ashes to New song), Crazy (Gnarls Barkley song), Crazy (Icehouse song), Crazy (Julio Iglesias album), Crazy (K-Ci and JoJo song), Crazy (K.Maro song), Crazy (Keep On Falling), Crazy (Kenny Rogers song), Crazy (Lumidee song), Crazy (Miki Howard song), Crazy (Patsy Cline), Crazy (Seal song), Crazy (The Boys song), Crazy (The Manhattans song), Crazy (Willie Nelson song), Crazy (calypsonian), Crazy (singer), Crazy (song), Crazy: Wikipedia, the Free Encyclopedia
  15. Crazy: Online Plain Text English Dictionary
  16. crazy: Webster's Revised Unabridged, 1913 Edition
  17. crazy: Rhymezone
  18. Crazy: AllWords.com Multi-Lingual Dictionary
  19. crazy: Webster's 1828 Dictionary
  20. crazy: Free Dictionary
  21. crazy: Mnemonic Dictionary
  22. crazy: LookWAYup Translating Dictionary/Thesaurus
  23. Crazy: The Word Detective
  24. crazy: Dictionary/thesaurus
  25. crazy: Wikimedia Commons US English Pronunciations
  26. Crazy (disambiguation), Crazy (novel): Wikipedia, the Free Encyclopedia

Art (1 matching dictionary)
  1. Jazz Humor (No longer online)

Business (1 matching dictionary)
  1. crazy: Legal dictionary

Computing (1 matching dictionary)
  1. crazy: Encyclopedia

Miscellaneous (3 matching dictionaries)
  1. Brilliant Dream Dictionary (No longer online)
  2. CRAZY: Acronym Finder
  3. crazy: Idioms

Slang (3 matching dictionaries)
  1. crazy, crazy, crazy: Green’s Dictionary of Slang
  2. Totally Unofficial Rap (No longer online)
  3. Crazy: Urban Dictionary

(Note: See crazier as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  Of unsound mind; insane; demented.
adjective:  Out of control.
adjective:  Very excited or enthusiastic.
adjective:  In love; experiencing romantic feelings.
adjective:  (informal) Very unexpected; wildly surprising.
adjective:  (obsolete) Flawed or damaged; unsound, liable to break apart; ramshackle.
adjective:  (obsolete) Sickly, frail; diseased.
adverb:  (slang) Very, extremely.
noun:  (slang, countable) An insane or eccentric person; a crackpot.
noun:  (slang, uncountable) Eccentric behaviour; lunacy; craziness.

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    neon green,     electric blue,     hot pink,     psychedelic purple,     lime green,     acid green



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