psychosis
[ sahy-koh-sis ]
/ saɪˈkoʊ sɪs /
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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
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for psychosis
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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
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Medical definitions for psychosis
psychosis
[ sī-kō′sĭs ]
n. pl. psy•cho•ses (-sēz)
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.
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.