In*sane" (?), a. [L. insanus.
See In- not, and Sane.] 1.
Exhibiting unsoundness or disorder of mind; not sane; mad;
deranged in mind; delirious; distracted. See Insanity,
2.
2. Used by, or appropriated to, insane
persons; as, an insane hospital.
3. Causing insanity or madness.
[R.]
Or have we eaten on the insaneroot
That takes the reason prisoner ?
Shak.
4. Characterized by insanity or the utmost
folly; chimerical; unpractical; as, an insane plan, attempt,
etc.
I know not which was the insane
measure.
Southey.