insane

INSA'NE, a. [L. 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, n. An insane person; as a hospital for the insane.