1. the science or study of mental disorders.
  2. the conditions and processes of a mental disorder.
  3. a pathological deviation from normal or efficient behavior; psychosis.

Origin of psychopathology

First recorded in 1840–50; psycho- + pathology
Related formspsy·cho·path·o·log·i·cal [sahy-koh-path-uh-loj-i-kuh l] /ˌsaɪ koʊˌpæθ əˈlɒdʒ ɪ kəl/, psy·cho·path·o·log·ic, adjectivepsy·cho·pa·thol·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for psychopathological

Historical Examples of psychopathological

  • Psychic impotence is a symptom which occurs accidentally in the normal state and very frequently in psychopathological conditions.

British Dictionary definitions for psychopathological


  1. the scientific study of mental disorders
Derived Formspsychopathological (ˌsaɪkəʊˌpæθəˈlɒdʒɪkəl), adjectivepsychopathologist, noun
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

Word Origin and History for psychopathological



1847, from psycho- + pathology, on model of German psychopathologie.

Online Etymology Dictionary, © 2010 Douglas Harper

psychopathological in Medicine


  1. The study of the origin, development, and manifestations of mental or behavioral disorders.
  2. The manifestation of a mental or behavioral disorder.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.