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
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI