mental illness
noun
any of the various forms of psychosis or severe neurosis.
Also called
mental disorder,
mental disease.
Origin of mental illness
First recorded in 1960–65
Words nearby mental illness
mental healing,
mental health,
mental home,
mental hospital,
mental hygiene,
mental illness,
mental image,
mental impairment,
mental lexicon,
mental nerve,
mental point
British Dictionary definitions for mental disease
mental illness
noun
any of various disorders in which a person's thoughts, emotions, or behaviour are so abnormal as to cause suffering to himself, herself, or other people
Medical definitions for mental disease (1 of 2)
mental disease
n.
mental illness
Medical definitions for mental disease (2 of 2)
mental illness
n.
Any of various psychiatric conditions, usually characterized by impairment of an individual's normal cognitive, emotional, or behavioral functioning, and caused by physiological or psychosocial factors.
mental disease mental disorder
Scientific definitions for mental disease
mental illness
[ mĕn′tl ]
Any of various psychiatric disorders or diseases, usually characterized by impairment of thought, mood, or behavior.