01 a. Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.
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1.
Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2. See: Insanity
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2.
Used by, or appropriated to, insane persons; as, an insane hospital.
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3.
Causing insanity or madness.[R.]“Or have we eaten on the insaneroot That takes the reason prisoner ?” — Shak.
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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.