rack one's brain

idiom

Definition of rack one's brain 

: to think very hard in order to try to remember something, solve a problem, etc. I've been racking my brain, but I can't remember his name.

Learn More about rack one's brain

Share rack one's brain

Statistics for rack one's brain

Look-up Popularity

Comments on rack one's brain

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

WORD OF THE DAY

the setting in which something occurs

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

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!