Words / P / Medicine

psychosis

noun/saɪˈkəʊsɪs/

C1CEFR level
58/100Rarity: uncommon
TechnicalRegister

A severe disorder involving loss of contact with reality.

Acute psychosis required urgent inpatient care.

Similar: break from reality

Origin: Greek psyche 'mind' + -osis.

Topic: Mental health in Medical English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More medicine words: Mental health