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Definition of psychosis

psychosis

/saɪˈkoʊsɪs/
psy · cho · sis
Adverb:psychotically
•
Plural:psychoses
•
Adjective:psychotic
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psychosis Lexical Profile

psychosis Game Scores & Validity

• noun

1

A severe mental condition or psychiatric disorder in which thought and emotions are significantly impaired, characterized by a loss of contact with external reality, delusions, or hallucinations.

Example

"Early intervention and appropriate medication can help patients recover from an acute episode of psychosis."

Synonyms
View all synonyms for psychosis
Antonyms
View all antonyms for psychosis

Word Nuance & Usage

In clinical usage, 'psychosis' is often contrasted with 'neurosis': psychosis involves a fundamental disconnection from reality (such as hallucinations or delusions), whereas neurosis involves distress or anxiety without losing touch with reality.

• Rhymes for psychosis

• Nearby Words

psychopath
psychopathic
psychopathically
psychosis
psychosocial
psychosomatic
psychotherapist

Word Origin & Etymology

Coined in the mid-19th century in German (Psychose) from Modern Latin psychosis, derived from Ancient Greek psykhe ('mind, soul') and the medical suffix -osis ('abnormal condition').

Cite this Entry

Wordmom. (2026). Definition of Psychosis. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/psychosis
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