Exhibiting unsoundness or disorder 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.
Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.
Without contents; empty; void of sense or intelligence; purposeless; pointless; characterless; useless.
That which is void or empty.