non compos mentis

adj

adj

Etymology From Latin non (“not”) + compos (“in control, having mastery”) + mentis (“of mind”).

Law Often Insane; not of sound mind; not in control of oneself.

Shakespeare was really a Literary Syndicate. Rainproof is demonstrably non compos mentis on that subject, and his infirmity is spreading.1927, Ernest Bramah [pseudonym; Ernest Brammah Smith], Max Carrados Mysteries:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.