1 of 2


plural noncomposes or noncomposses
: a person who is non compos mentis

non compos

2 of 2


: non compos mentis
they'll say you're non composKenneth Roberts

Word History



Latin non compos (in the phrase non compos mentis)


Latin non compos (in the phrase non compos mentis)

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near noncompos

Cite this Entry

“Noncompos.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!