what's the big idea

idiom

Definition of what's the big idea 

informal

used to ask why someone is doing or saying something Hey! What's the big idea!?

Learn More about what's the big idea

Share what's the big idea

Statistics for what's the big idea

Look-up Popularity

Comments on what's the big idea

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

WORD OF THE DAY

to move with a clumsy heavy tread

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
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!