INSANE

insane. Insane, a. mad, distracted, gone out of one's mind

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In‐sane″ (?), a. [[L. insanus. See In- not, and Sane.]] 1. 1. Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.
2. 2. Used by, or appropriated to, insane persons; as, an insane hospital.
3. 3. Causing insanity or madness.
Or have we eaten on the insaneroot That takes the reason prisoner ? Shak. 4. 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.