behind someone's back

idiom

Definition of behind someone's back 

: without someone's knowledge : in secret You shouldn't gossip about people behind their back(s). She went behind his back and spoke directly to his supervisor.

Learn More about behind someone's back

Share behind someone's back

Statistics for behind someone's back

Look-up Popularity

Comments on behind someone's back

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

WORD OF THE DAY

by word of mouth

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

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!