whacky

adjective

less common spelling of

: absurdly or amusingly eccentric or irrational : crazy wacky ideas a wacky comedian

Keep scrolling for more

More Definitions for whacky

whacky

Kids Definition of whacky

variant of wacky

More from Merriam-Webster on whacky

Nglish: Translation of whacky for Spanish Speakers

Comments on whacky

What made you want to look up whacky? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to speak slightingly about or to degrade

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!