say what

idiom

Definition of say what 

US, informal

used to express surprise at what someone has just said "I'm moving out." "Say what?"

Learn More about say what

Dictionary Entries near say what

say-so

Say stinkbug

say the word

say what

say yes

say yes to

sayyid

Statistics for say what

Look-up Popularity

Comments on say what

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

WORD OF THE DAY

noxious or harmful

Get Word of the Day daily email!

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a-traditional-thanksgiving-dinner
  • November comes from a word for which of the following numbers?
True or False

Test your knowledge - and maybe learn something along the way.

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!