mental illness

noun
variants: or mental disorder or less commonly mental disease

Definition of mental illness

: any of a broad range of medical conditions (such as major depression, schizophrenia, obsessive compulsive disorder, or panic disorder) that are marked primarily by sufficient disorganization of personality, mind, or emotions to impair normal psychological functioning and cause marked distress or disability and that are typically associated with a disruption in normal thinking, feeling, mood, behavior, interpersonal interactions, or daily functioning

Other Words from mental illness

mentally ill adjective

Examples of mental illness in a Sentence

Recent Examples on the Web As someone who has dealt with mental illness in the form of anxiety and depression disorders, as well as trauma, brujería has been essential in my healing work. Marilyn La Jeunesse, Allure, 19 Sep. 2022 California has a new statewide approach to treatment for people struggling with serious mental illness: the CARE Court. Karen Garcia, Los Angeles Times, 15 Sep. 2022 The three-digit Lifeline is intended to quickly connect people with crisis specialists who can help and can tell them where to go for more help with thoughts of suicide, episodes of mental illness, addiction, and other forms of emotional distress. Mike Cason | Mcason@al.com, al, 14 July 2022 The family advised Kyle had custody of all 3 children and reported Kyle had no mental illness, no drug abuse, and had made no threats of suicide or threats to harm the children. Jake Allen, The Indianapolis Star, 14 July 2022 Others are driven by mental illness, pandemic isolation or social media influences that turn them into hateful and sadistic monsters. Josh Meyer, USA TODAY, 7 July 2022 What’s really driving this is not mental illness — at least not in the diagnosable sense. Gary Robbins, San Diego Union-Tribune, 6 July 2022 For people with invisible disabilities including chronic illness, mental illness, and neurological conditions, that gap can be large. Cate Mcquaid, BostonGlobe.com, 5 July 2022 In some cases, derealization results from serious mental illness, such as schizophrenia, or hallucinogens such as LSD. John Horgan, Scientific American, 14 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mental illness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mental illness

1724, in the meaning defined above

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Time Traveler for mental illness

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The first known use of mental illness was in 1724

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Dictionary Entries Near mental illness

mental health day

mental illness

mental institution

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Statistics for mental illness

Last Updated

22 Sep 2022

Cite this Entry

“Mental illness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mental%20illness. Accessed 24 Sep. 2022.

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More Definitions for mental illness

mental illness

noun
variants: or mental disorder also mental disease

Medical Definition of mental illness

: any of a broad range of medical conditions (such as major depression, schizophrenia, obsessive compulsive disorder, or panic disorder) that are marked primarily by sufficient disorganization of personality, mind, or emotions to impair normal psychological functioning and cause marked distress or disability and that are typically associated with a disruption in normal thinking, feeling, mood, behavior, interpersonal interactions, or daily functioning Some homeless families are also hindered by substance abuse and mental illness.— Ellen L. Bassuk, Scientific American Catatonia is usually an expression of mental disorders like bipolar disorder or schizophrenia, but it could also come from other medical problems, such as a brain tumor.— Forrest Wickman, The Pittsburgh Post-Gazette mental diseases such as schizophrenia and manic depression may either involve more than one gene or may result from a complex mix of genetic predisposition and environmental rotten luck.— Natalie Angier, The New York Times Book Review

Other Words from mental illness

mentally ill adjective
mentally ill patients Mental health workers … perform a wide variety of therapeutic, supportive, and preventative functions for persons who are mentally ill and developmentally disabled. — Barbara M. Swanson, Careers in Health Care

mental illness

noun
mental ill·​ness

Legal Definition of mental illness

2 : a mental condition marked primarily by sufficient disorganization of personality, mind, and emotions to seriously impair the normal psychological and often social functioning of the individual

called also mental disorder

More from Merriam-Webster on mental illness

Britannica English: Translation of mental illness for Arabic Speakers

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