not of sound mind, memory, or understanding; in law, not competent to go to trial
Latin for the condition of an individual not possessing sufficient understanding to comprehend the nature, extent and meaning of his or her obligations or contracts.... read full article
(Latin) not of sound mind and understanding
(non COM pos MENT iss) Not of sound mind.
Not sound in mind A person classed as unfit to conduct/defend legal proceedings
A Latin term meaning, literally, "not of sound mind."
Latin] incompetent, or not mentally capable of handling one's affairs NUNCUPATIVE WILL - oral will which, to be valid, must be given by a person in their last hours, witnessed by two or more witnesses, and written within a period of six to twelve days
The term non compos mentis comes from Latin, non meaning "not," compos meaning "in control," and mentis, genitive singular of mens, mind. and means not having a sound mind; not sane.