non compos mentis Synonyms

of unsound mind with a screw loose crackbrained certifiable bananas meshuga unhinged round the bend nuts loopy fruity dotty crackers gaga psycho psychotic raving mad out of one's mind stark raving mad screwy schizoid psychopathic out to lunch out of one's head off one's rocker nutty as a fruitcake not right in the head mad as a hatter bonkers bats insane disturbed distraught deranged demented daft cuckoo crazy crazed crack-brained cracked brainsick loco loony lunatic barmy around the bend unsound unbalanced touched