lose one's mind

idiom

Definition of lose one's mind 

: to become mentally ill : to go insane I feel like I'm losing my mind.

Learn More about lose one's mind

Share lose one's mind

Statistics for lose one's mind

Look-up Popularity

Comments on lose one's mind

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

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!