noun, plural in·san·i·ties.
- extreme foolishness; folly; senselessness; foolhardiness: Trying to drive through that traffic would be pure insanity.
- a foolish or senseless action, policy, statement, etc.: We've heard decades of insanities in our political discourse.
Examples from the Web for insanity
AIDS insanity: When running for the US Senate in 1992, Huckabee called for a quarantine of people who had AIDS.
Insanity, after all, is doing the same thing and expecting a different result, right?
But as Nietzsche once wrote, “In individuals, insanity is rare; but in groups, parties, nations, and epochs, it is the rule.”Doctors Have No Answers for Colombian Teens' Mass Hysteria|Kent Sepkowitz|September 3, 2014|DAILY BEAST
On appeal in 2006, she was found to be not guilty by reason of insanity and remanded to a psychiatric hospital.Postpartum Stigma: Why My Patient Committed Suicide|Jean Kim|August 5, 2014|DAILY BEAST
It demands with monumental courage, a high tolerance for pain, and at least a touch of insanity.The World Series of Cliff Diving Takes Itself Very Seriously|Hampton Stevens|June 29, 2014|DAILY BEAST
Upon the excesses, bordering on insanity, followed the other extreme,—the most rigid abstinence.Woman under socialism|August Bebel
No; what was alarming at Poor Luck Barrens was not a frenzy of insanity—it was the delirium of pneumonia.Billy Topsail, M.D.|Norman Duncan
The features of his insanity were wilder and less controllable.Tom Burke Of "Ours", Volume I (of II)|Charles James Lever
To him came these men broken down, some on the verge of insanity.The Harbor|Ernest Poole
Insanity, on the other hand, is a disease which destroys or clouds an intellect which has once been developed.Consanguineous Marriages in the American Population|George B. Louis Arner
British Dictionary definitions for insanity
noun plural -ties
Word Origin and History for insanity
1580s, "state of being insane," from Latin insanitatem (nominative insanitas) "unhealthfulness," noun of quality from insanus (see insane). Meaning "extreme folly" is from 1844.