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.
INSANELY
In*sane"ly, adv.
Defn: Without reason; madly; foolishly.
INSANENESS
In*sane"ness, n.
Defn: Insanity; madness.
INSANIATE
In*sa"ni*ate, v. t.
Defn: To render unsound; to make mad. [Obs.] Feltham.
INSANIE
In*sa"nie, n.
Defn: Insanity. [Obs.] Shak.
INSANITARY
In*san"i*ta*ry, a.