In*sane" (?), a. [L. insanus. See In- not, and Sane.]
Exhibiting unsoundness or disorded of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.
Used by, or appropriated to, insane persons; as, an insane hospital.
Causing insanity or madness.
Or have we eaten on the insaneroot
That takes the reason prisoner ?
Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.
I know not which was the insane measure.
© Webster 1913.