not in one's right mind

idiom

Definition of not in one's right mind

: mentally ill There's something wrong with him. He's not in his right mind.

Learn More About not in one's right mind

Dictionary Entries Near not in one's right mind

not infrequently

not in one's right mind

not in someone's vocabulary

See More Nearby Entries 

Statistics for not in one's right mind

Cite this Entry

“Not in one's right mind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20in%20one%27s%20right%20mind. Accessed 28 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!