noun
insanity; mental incapacity; non compos mentis
Legal term referring to a state where a person lacks the mental capacity to understand their actions or make decisions. Used in criminal law and civil competency contexts.
心神喪失の状態で犯した行為は罰せられない。
An act committed in a state of insanity is not punishable.
裁判所は被告が心神喪失だったと認定した。
The court determined that the defendant was non compos mentis.