insanity plea

noun
Updated on: 15 Nov 2017

Definition of insanity plea

: a plea in court of insanity as a reason or excuse for committing a crime
  • He murdered his wife and got off on an insanity plea.

Word by Word Definitions

insanity play
  1. : a severely disordered state of the mind usually occurring as a specific disorder

  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

  3. : extreme folly or unreasonableness

plea play
  1. : a legal suit or action

  2. : an allegation made by a party in support of a cause: such as

  3. : an allegation of fact — compare demurrer


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