non compos mentis

1. 1.

   not of sound mind, memory, or understanding; in law, not competent to go to trial

   Synonymsof unsound mind

   Similarinsane

Questions about non compos mentis

What does non compos mentis mean?

non compos mentis means "not of sound mind, memory, or understanding; in law, not competent to go to trial".

What is another word for non compos mentis?

Close synonyms include of unsound mind. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is non compos mentis a common word?

non compos mentis is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.