so much so (that)

idiom

Definition of so much so (that)

: to the extent that The twins look alike—so much so that even their parents sometimes confuse them.

Comments on so much so (that)

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

WORD OF THE DAY

a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!