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insanity

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noun in·san·i·ty \in-ˈsa-nə-tē\

Simple Definition of insanity

  • : severe mental illness : the condition of being insane

  • : something that is very foolish or unreasonable

Full Definition of insanity

plural in·san·i·ties

  1. 1 :  a deranged state of the mind usually occurring as a specific disorder (as schizophrenia)

  2. 2 :  such unsoundness of mind or lack of understanding as prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or as removes one from criminal or civil responsibility

  3. 3 a :  extreme folly or unreasonableness b :  something utterly foolish or unreasonable

Examples of insanity

  1. She was found not guilty by reason of insanity.

  2. His friends thought his decision to quit his job was pure insanity.

  3. Please, no more violence. It's time to stop this insanity.

  4. the insanities of modern life



1590

First Known Use of insanity

1590

Rhymes with insanity



INSANITY Defined for Kids

insanity

play
noun in·san·i·ty \in-ˈsa-nə-tē\

Definition of insanity

  1. :  the condition of being abnormal or unhealthy in mind




Medical Dictionary

insanity

play
noun in·san·i·ty \in-ˈsan-ət-ē\

Medical Definition of insanity

plural in·san·i·ties

  1. 1:  a severely disordered state of the mind usually occurring as a specific disorder (as paranoid schizophrenia)

  2. 2:  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





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