| The duke is in such state of intoxication most of the time that he is virtually non compos mentis. |
| In light of charges of High Treason, Louis Riel's Defence Counsel pleaded non compos mentis, not guilty by reason of insanity. |
| That either husband or wife is a hopeless lunatic or non compos mentis. |
| Sarojini took particular pains to empress it upon me that Chavigny is non compos mentis. |
| Only 16.7 percent of them are non compos mentis, or, in football terms, nutty as a fruitcake. |
