Noah Webster
Insane
INSA'NE, adjective [Latin insanus; in and sanus, sound.]
1. Unsound in mind or intellect; mad; deranged in mind; delirious; distracted. [In this sense of making mad, it is Little Used.]
2. Used by or appropriated to insane persons; as an insane hospital.
INSA'NE, noun An insane person; as a hospital for the insane