Found 2 items, similar to non compos mentis.
English → English (WordNet)
Definition: non compos mentis
non compos mentis
adj : not of sound mind, memory, or understanding; in law, not
competent to go to trial [syn:
non compos mentis(p),
of unsound mind(p)]
English → English (gcide)
Definition: Non compos mentis
Non compos
\Non com"pos\ Non compos mentis
\Non com“pos men”tis\
[L.]
Not of sound mind; not having the regular use of reason;
hence, also, as a noun, an idiot; a lunatic; one devoid of
reason, either by nature or from accident.
[1913 Webster]