Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Dictionary

compos mentis

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

Definition of COMPOS MENTIS

:  of sound mind, memory, and understanding
ADVERTISEMENT

Origin of COMPOS MENTIS

Latin, literally, having mastery of one's mind
First Known Use: 1616

Related to COMPOS MENTIS

Synonyms
balanced, clearheaded, sane, lucid, normal, right, stable
Antonyms
brainsick, crazed, crazy, demented, deranged, insane, lunatic, mad, maniacal (also maniac), mental, unbalanced, unsound

Rhymes with COMPOS MENTIS

filamentous, ligamentous
Medical Dictionary

compos mentis

adjective com·pos men·tis \ˌkäm-pə-ˈsment-əs\

Medical Definition of COMPOS MENTIS

:  of sound mind, memory, and understanding

Learn More About COMPOS MENTIS

Browse

2 ENTRIES FOUND:
  1. compos mentis
  2. non compos mentis
Next Word in the Dictionary: composographPrevious Word in the Dictionary: compositumAll Words Near: compos mentis
ADVERTISEMENT
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries