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[hee-buh-free-nee-uh] /ˌhi bəˈfri ni ə/
noun, Psychiatry.
a type of schizophrenia characterized by emotionless, incongruous, or silly behavior, intellectual deterioration, and hallucinations, frequently beginning insidiously during adolescence.
Origin of hebephrenia
1880-85; < Greek hēbē- (see hebetic) + -phrenia
Related forms
[hee-buh-fren-ik] /ˌhi bəˈfrɛn ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for hebephrenia


a form of pubertal schizophrenia, characterized by hallucinations, delusions, foolish behaviour, and senseless laughter
Derived Forms
hebephrenic (ˌhiːbɪˈfrɛnɪk) adjective
Word Origin
C20: New Latin, from Greek hēbē youth + -phrenia mental disorder, from phrēn mind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hebephrenia

"adolescent insanity," 1886, coined in Modern Latin by German psychiatrist Ewald Escker in 1871, from Greek hebe "youth" (see Hebe (1)) + phrene "mind" (see phreno-).

Online Etymology Dictionary, © 2010 Douglas Harper
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hebephrenia in Medicine

hebephrenia he·be·phre·ni·a (hē'bə-frē'nē-ə, -frěn'ē-ə)
A schizophrenia, usually starting at puberty, characterized by foolish mannerisms, senseless laughter, delusions, hallucinations, and regressive behavior. Also called disorganized schizophrenia, hebephrenic schizophrenia.

he'be·phren'ic (-frěn'ĭk, -frē'nĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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