[ sahy-koh-puh-thol-uh-jee ]
/ ˌsaɪ koʊ pəˈθɒl ə dʒi /


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

Origin of psychopathology

First recorded in 1840–50; psycho- + pathology

Related forms

psy·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. 2019

Examples from the Web for psychopathological

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

    The Sexual Question|August Forel

British Dictionary definitions for psychopathological


/ (ˌsaɪkəʊpəˈθɒlədʒɪ) /


the scientific study of mental disorders

Derived Forms

psychopathological (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

Medicine definitions for psychopathological


[ sī′kō-pə-thŏlə-jē ]


The study of the origin, development, and manifestations of mental or behavioral disorders.
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.