mentally defective

mentally defective

adjective Referring to a person who has been determined by a court, board, commission or other lawful authority—as a result of marked subnormal intelligence, or mental illness, incompetency, condition or disease—as one who:
(1)  Is a danger to him- or herself, or to others; or
(2)  Lacks the mental capacity to contract or manage his or her own affairs.

noun
(1)  A finding of insanity by a court in a criminal case;
(2)  A person found to be incompetent to stand trial, or found not guilty, by reason of lack of mental responsibility pursuant to articles 50a and 72b of the Uniform Code of Military Justice, 10 U.S.C. 850a, 876b.

mentally defective

Sexual offenses adjective Referring to a person whose mental defect renders him/her temporarily or permanently incapable of appraising the nature of his/her own conduct. See Rape.
References in classic literature ?
I tried to reason with him, but, as you know, he is mentally defective, and for answer he rushed at Number Seven to tear the coveted morsel from him.
Oregon is full of mentally defective, full grown children, incapable of the most mundane adult tasks," another man wrote.
Those found to be mentally defective would be sterilized, in the future CCF leader's imagined program, while those with low intelligence or moral laxity would be sent to state-run farms.
The first is that Trump is mentally defective, in which case he and his family deserve our sympathy and encouragement to seek the best mental treatment that Obamacare can provide.
How did medical authorities--doctors after all were the front line in advising parents "what to do" if they had a retarded child--manage to convince thousands of parents over an entire century to put their mentally defective child in an institution?
Although the Heller decision seems to fly in the face of the regulatory measures prohibiting the mentally defective from possessing firearms, it is an "assurance" that its decision should not be taken to cast doubt upon the longstanding prohibitions against felons and the mentally ill possessing firearms.
SIR - There is a direct parallel between Isis murderers and the mentally defective students in the USA who attack a school to seek out and shoot down the innocent with no mercy.
Others are frivolous in their spending, but not mentally defective or ill.
whenever: (1) the victim is physically helpless, mentally defective, or mentally incapacitated.
In the course of committing the Kidnapping, (defendant) committed [an Aggravated Child Abuse] [a Sexual Battery against (victim)] [a Lewd or Lascivious Battery] [a Lewd or Lascivious Molestation] [a Lewd or Lascivious Conduct] [a Lewd or Lascivious Exhibition] [a Procuring a Child for Prostitution upon (victim)] [a Forcing, Compelling, or Coercing Another to Become a Prostitute upon (victim)] [an Exploitation of a Child upon (victim)] [Human Trafficking for Commercial Sexual Activity in which [a Child under the Age of 18] [a Mentally Defective Person] [or] [a Mentally Incapacitated Person] was Involved].
ATF Form 4473 requires basic demographic information and also asks specific questions pertaining to the mental-health prohibitors, including the following: "[h]ave you ever been adjudicated mentally defective (which includes a determination by a court, board, commission, or other lawful authority that you are a danger to yourself or to others or are incompetent to manage your own affairs) OR have you ever been committed to a mental institution.
Now, the science of heredity revealed that even those seemingly of normal intelligence could be "carriers" for imbecility; one idiot in the family was an indictment of all (21) Against the backdrop of a panic about mental deficiency--the government's own 1929 investigation calculated that one in every 100 Britons was mentally defective, for a total of more than 300,000--the silence and secrecy that surrounded the feeble in mind intensified.