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

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Other Words from mental illness

mentally ill adjective

Examples of mental illness in a Sentence

Recent Examples on the Web Crouch said 1 in 5 Hoosiers suffered from addiction or mental illness before COVID-19, and the number will grow as a result of the pandemic, making the $100 million investment a critical one. Karen Caffarini, chicagotribune.com, 13 May 2021 This basic finding is confirmed by studies showing that residents of Housing First programs show no improvement regarding addiction and mental illness. Christopher F. Rufo, National Review, 9 May 2021 And for those who are struggling with addiction and mental illness, most of our housing subsidies will be used to support your recovery. Roger Valdez, Forbes, 6 May 2021 White shows how addiction, mental illness or trauma prevents some people from returning to their lives. Joel Christensen, The Conversation, 22 Apr. 2021 In the basement are several unofficial tenants – a group of destitute Londoners, many of them suffering from addiction or mental illness. Steph Cha, USA TODAY, 20 Apr. 2021 But the city wants to expand the law’s use to help the sickest of the thousands of homeless individuals who also struggle with addiction and mental illness, Nielsen said. Mallory Moench, San Francisco Chronicle, 12 Mar. 2021 Higher rates of depression, addiction, mental illness and physical disability, particularly for young children who are growing and developing right now. NBC News, 15 Dec. 2020 The district attorney's office will also work to divert people into behavior health services if they have been arrested on low-level offenses related to poverty, addiction, mental illness and homelessness. Stefanie Dazio, Star Tribune, 7 Dec. 2020

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.

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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

24 Jul 2021

Cite this Entry

“Mental illness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mental%20illness. Accessed 31 Jul. 2021.

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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, December 1991 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, 31 May 2012 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, 12 Aug. 1990

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, 1989

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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