psychosis

play
noun psy·cho·sis \sī-ˈkō-səs\

Definition of psychosis

plural

psychoses

play \-ˌsēz\
  1. :  a serious mental illness (such as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions

Examples of psychosis in a Sentence

  1. The patient suffers from some kind of psychosis.

Recent Examples of psychosis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psychosis'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of psychosis

New Latin


First Known Use: 1847


PSYCHOSIS Defined for English Language Learners

psychosis

play
noun

Definition of psychosis for English Language Learners

  • : a very serious mental illness that makes you behave strangely or believe things that are not true


Medical Dictionary

psychosis

play
noun psy·cho·sis \sī-ˈkō-səs\

Medical Definition of psychosis

plural

psychoses

\-ˌsēz\play
  1. :  a serious mental illness (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions



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