non compos mentis
adjective/ˌnɒn ˌkɒmpəs ˈmentɪs/
/ˌnɑːn ˌkɑːmpəs ˈmentɪs/
(also non compos)
(formal)- not in a normal mental state opposite compos mentisTopics Mental healthc2Word OriginLatin, literally ‘not having control of one's mind’.
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non compos mentis