Definition of "wacky" [wacky]

  • Slang Eccentric or irrational: a wacky person. (adjective)
  • Slang Crazy; silly: a wacky outfit. (adjective)
  • Eccentric, erratic, or unpredictable (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Use "wacky" in a sentence
  • "Wild incomptence can also work ... or just plain wacky/random things (see: nobody expects the spanish inquisition!) # Wingson 16 Apr 2009 at 7: 57 pm"
  • "Dressed in wacky clothes, says funny stuff like, “I like pizza.” and “I got a wallet.”"
  • "Kim Possible, Pinkie and the Brain, Invader Zim and many other comedies threw in wacky, wacky plots from time to time."