DEFINITION OF INSANITY
1) dated : a severely disordered state of the mind usually occurring as a specific disorder
2) law : unsoundness of mind or lack of the ability to understand that prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or that releases one from criminal or civil responsibility
3) a: extreme folly or unreasonableness
the insanity of violence
His comments were pure insanity.
b: something utterly foolish or unreasonable
the insanities of modern life
