Law Dictionary

mental disease

noun mental dis·ease

Legal Definition of mental disease

  1. :  an abnormal mental condition that interferes with mental or emotional processes and internal behavioral control and that is not manifest only in repeated criminal or antisocial conduct; broadly :  mental illness

Additional Notes on mental disease

Mental disease and mental illness are in general use synonymous, but mental disease has developed a settled meaning in criminal law while mental illness is often explained or defined by reference to the medical community's understanding of the term.


Seen and Heard

What made you want to look up mental disease? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!