psychosis

psych·o·sis
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UK/saɪˈkəʊsɪs/US/saɪˈkoʊsɪs/

noun

A severe mental disorder, sometimes with physical damage to the brain, marked by a deranged personality and a distorted view of reality.

Less commonScrabble 19

Meanings

nounpsychosis (countable and uncountable, plural psychoses)

plural psychoses

  1. countableuncountablehuman sciencesA severe mental disorder, sometimes with physical damage to the brain, marked by a deranged personality and a distorted view of reality.

    Manganism has been known about since the 19th century, when miners exposed to ores containing manganese[…]began to totter, slur their speech and behave like someone inebriated. The poisoning was irreversible, and soon ended in psychosis and death.

    2014 April 21, “Subtle effects”, in The Economist, volume 411, number 8884

Origin

  1. Ancient Greekψύχωσις“animation, principle of life”
  2. Englishpsychosis

From psych- + -osis. Not descended from Ancient Greek ψύχωσις (psúkhōsis, “animation, principle of life”), which is a piecewise cognate.

Full word history & related roots →

Translations

Arabic ذُهَان
  • ذُهَان (ḏuhān)mental disorder
Basque psikosi
  • psikosimental disorder
Bulgarian психоза
  • психоза (psihoza)mental disorder
Catalan psicosi
  • psicosimental disorder
Chinese Mandarin 精神錯亂 /精神错乱, 精神症
  • 精神錯亂 /精神错乱 (jīngshén cuòluàn)mental disorder
  • 精神症 (jīngshénzhèng)mental disorder
  • 思覺失調 /思觉失调 (sījué shītiáo)mental disorder
Czech psychóza
  • psychózamental disorder
Danish psykose
  • psykosemental disorder
Dutch psychose
  • psychosemental disorder
Esperanto psikozo
  • psikozomental disorder
Estonian psühhoos
  • psühhoosmental disorder
Finnish psykoosi
  • psykoosimental disorder
French psychose
  • psychosemental disorder
German Psychose
  • Psychosemental disorder
Greek ψύχωση
  • ψύχωση (psýchosi)mental disorder
Hungarian pszichózis
  • pszichózismental disorder
Indonesian psikosis
  • psikosismental disorder
Irish síocóis
  • síocóismental disorder
Italian psicosi
  • psicosimental disorder
Japanese 精神病
  • 精神病 (seishinbyō)mental disorder
Korean 정신증
  • 정신증 (jeongsinjeung)mental disorder
Latvian psihoze
  • psihozemental disorder
Lithuanian psichozė
  • psichozėmental disorder
Māori mate ahotea
  • mate ahoteamental disorder
Norwegian Bokmål psykose
  • psykosemental disorder
Persian پسیکوز, روان پریشی
  • پسیکوز (psikoz)mental disorder
  • روان پریشی (ravân-pariši)mental disorder
Polish psychoza
  • psychozamental disorder
Portuguese psicose
  • psicosemental disorder
Romanian psihoză
  • psihozămental disorder
Russian психо́з
  • психо́з (psixóz)mental disorder
Slovak psychóza
  • psychózamental disorder
Spanish psicosis
  • psicosismental disorder
Swedish psykos
  • psykosmental disorder
Tagalog sikosis
  • sikosismental disorder
Turkish psikoz
  • psikozmental disorder
Ukrainian психо́з
  • психо́з (psyxóz)mental disorder
Vietnamese loạn thần
  • loạn thầnmental disorder
Welsh seicosis, gorffwylledd
  • seicosismental disorder
  • gorffwylleddmental disorder

Rhymes & wordplay

Rhymes with psychosis

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Sounds the same

Cite this entry
APA

psychosis. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/psychosis

MLA

“psychosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/psychosis. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “psychosis,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/psychosis.

Source: psychosis on Wiktionary, CC BY-SA 4.0.