A state of unsound mind in which mental functioning is seriously impaired and judgment or criminal responsibility is lacking; a legal/psychiatric term.
被告は心神喪失と判断され、刑事責任を問えないことになった。
The defendant was judged to be of unsound mind and cannot be held criminally responsible.
医師は事件当時、彼が心神喪失の状態にあったと報告した。
The doctor reported that he was in a state of unsound mind at the time of the incident.