non compos mentis

adjective
non com·pos men·tis | \ˌnän-ˌkäm-pəs-ˈmen-təs, ˌnōn-\

Definition of non compos mentis 

: not of sound mind

Keep scrolling for more

Examples of non compos mentis in a Sentence

will seek to prove that the elderly tycoon was non compos mentis when he dictated that will

First Known Use of non compos mentis

1607, in the meaning defined above

History and Etymology for non compos mentis

Latin, literally, not having mastery of one's mind

Latin, literally, not having mastery of one's mind

Keep scrolling for more

Learn More about non compos mentis

Share non compos mentis

Statistics for non compos mentis

Look-up Popularity

Time Traveler for non compos mentis

The first known use of non compos mentis was in 1607

See more words from the same year

Keep scrolling for more

More Definitions for non compos mentis

non compos mentis

adjective
non com·pos men·tis | \ˌnän-ˌkäm-pə-ˈsment-əs, ˌnōn- \

Medical Definition of non compos mentis 

: not of sound mind

non compos mentis

adjective
non com·pos men·tis | \ˈnän-ˈkäm-pəs-ˈmen-təs \

Legal Definition of non compos mentis 

: not of sound mind : lacking mental ability to understand the nature, consequences, and effect of a situation or transaction

More from Merriam-Webster on non compos mentis

Thesaurus: All synonyms and antonyms for non compos mentis

Comments on non compos mentis

What made you want to look up non compos mentis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
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!