- a mental disorder characterized by symptoms, such as delusions or hallucinations, that indicate impaired contact with reality.
- any severe form of mental disorder, as schizophrenia or paranoia.
Origin of psychosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for psychosis
Fatigue, sadness, or psychosis is not about choice or laziness or selfishness.Postpartum Stigma: Why My Patient Committed Suicide
August 5, 2014
The side effects from the dangerous cocktails of synthetics range from psychosis to death.Is Synthetic Weed Feuling Yemen’s Terrorism?
May 23, 2014
Some research suggests use can elevate the risk of psychosis in people already at risk.Weed Gave My Family Everything—Then Took It Away
April 9, 2014
There exists a sense of psychosis projected through his paintings, as if genetically passed down from his late grandfather.A New Book Gives A Rare Glimpse Into The Life of Lucian Freud
October 22, 2013
Beydoun calls such worries “a distinctly Arab and Muslim American psychosis.”Praying the Boston Bomber is Not Muslim
April 17, 2013
In some exceptional cases a genuine neurosis or psychosis may develop.Woman
William J. Robinson
If you have a psychosis, you behave in response to delusions or hallucinations.When You Don't Know Where to Turn
Steven J. Bartlett
She was seventy-eight this year, clouded by senility along with the psychosis.The Trial of Callista Blake
Then, at the engagement dinner of the brother, the psychosis broke out.
There is, further, the history of a delusion of death during the onset of the psychosis.
- any form of severe mental disorder in which the individual's contact with reality becomes highly distortedCompare neurosis
C19: New Latin, from psycho- + -osis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for psychosis
Online Etymology Dictionary, © 2010 Douglas Harper
- A severe mental disorder, with or without organic damage, characterized by derangement of personality and loss of contact with reality and causing deterioration of normal social functioning.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A mental state caused by psychiatric or organic illness, characterized by a loss of contact with reality and an inability to think rationally. A psychotic person often behaves inappropriately and is incapable of normal social functioning.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.