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psychosis
[ sahy-koh-sis ]
/ saɪˈkoʊ sɪs /
See the most commonly confused word associated with neurosis
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noun, plural psy·cho·ses [-seez]. /-siz/. Psychiatry.
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.
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Words nearby psychosis
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use psychosis in a sentence
British Dictionary definitions for psychosis
psychosis
/ (saɪˈkəʊsɪs) /
noun plural -choses (-ˈkəʊsiːz)
any form of severe mental disorder in which the individual's contact with reality becomes highly distortedCompare neurosis
Word Origin for psychosis
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
Scientific definitions for psychosis
psychosis
[ sī-kō′sĭs ]
Plural psychoses (sī-kō′sēz)
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.
Other words from psychosis
psychotic adjective (sī-kŏt′ĭk)The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for psychosis
psychosis
[ (seye-koh-sis) ]
A severe mental disorder, more serious than neurosis, characterized by disorganized thought processes, disorientation in time and space, hallucinations, and delusions. Paranoia, manic depression, megalomania, and schizophrenia are all psychoses. One who suffers from psychosis is psychotic.
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.