[ ˌhi:bɪ'fri:nɪə ]
■ noun a form of chronic schizophrenia involving disordered thought, hallucinations, and bizarre behaviour.
Derivatives
hebephrenic -'frɛnɪk adjective &noun
Origin
C19 (orig. assoc. with behaviour in puberty): from the goddess of youth Hebe + Gk phrēn 'mind' + -ia 1 .