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  • psychoses
  • psychotic


Severest class of psychological disorders, characterized by one or more of severe affective disturbances, profound introspection, withdrawal from reality, hallucinations, or regression.

Definition from: CRISP Thesaurus via Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. at the National Library of Medicine

A serious mental disorder (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions.

Definition from: Merriam-Webster's Medical DictionaryThis link leads to a site outside Genetics Home Reference. by Merriam-Webster Inc.

See also Understanding Medical Terminology.

Published: October 5, 2015