Adjective Satellite
not of sound mind, memory, or understanding; in law, not competent to go to trial
Source: WordNetAidan’s distraught father Johnny balked at the idea of contesting the will on the grounds that Aidan was of unsound mind, saying they must respect his boy’s wishes. Source: Internet
Cain failed to convince Queensland's highest court that he was of unsound mind at the time of his trial and must serve 11 years in prison. Source: Internet
There was chaos in Christiana after a policeman, was chopped in the face by a man believed to be of unsound mind. Source: Internet