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.
Origin of insanity
Related Words for insanitymadness, craziness, absurdity, folly, frenzy, alienation, dementia, lunacy, hysteria, irresponsibility, psychopathy, phobia, aberration, delusion, dotage, senselessness, neurosis, unbalance, mania, derangement
Examples from the Web for insanity
Contemporary Examples of insanity
AIDS insanity: When running for the US Senate in 1992, Huckabee called for a quarantine of people who had AIDS.The Devil in Mike Huckabee
January 6, 2015
Insanity, after all, is doing the same thing and expecting a different result, right?Obama’s One Hand Clap With Castro
December 24, 2014
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
September 3, 2014
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
August 5, 2014
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
June 29, 2014
Historical Examples of insanity
No part of my insanity was ever held in such ridicule as this.
Belinda's blood ran cold—she had no longer any doubt that this was insanity.Tales And Novels, Volume 3 (of 10)
And because he had too abiding a gentleness to say it, the insanity of her anger rose anew.Tiverton Tales
It is an old trick to say that poets are mad,—you mistake our agonies for insanity.Alice, or The Mysteries, Complete
For one dreadful moment I believed that you had fallen a victim to her insanity.Theresa Marchmont
Mrs Charles Gore
noun plural -ties
1580s, "state of being insane," from Latin insanitatem (nominative insanitas) "unhealthfulness," noun of quality from insanus (see insane). Meaning "extreme folly" is from 1844.