M'Naghten test

[ muhk-nawt-n ]

noun
  1. a rule that defines a person as legally insane when that person cannot distinguish right from wrong.

Origin of M'Naghten test

1
After Daniel M'Naghten (died 1865), defendant in a murder case adjudicated in England in 1843

Words Nearby M'Naghten test

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023