Meaning Of Insane

a.

Exhibiting unsoundness or disorded of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.

a.

Used by, or appropriated to, insane persons; as, an insane hospital.

a.

Causing insanity or madness.

a.

Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.