know something backward and forward

idiom

Definition of know something backward and forward 

: to know something completely He knew the process backward and forward.

Learn More about know something backward and forward

Share know something backward and forward

Resources for know something backward and forward

Statistics for know something backward and forward

Look-up Popularity

Comments on know something backward and forward

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

WORD OF THE DAY

occurring twice a year or every two years

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

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!