psychopathology Syllabification: (psy·cho·pa·thol·o·gy)Pronunciation: /ˌsīkōpəˈTHäləjē, -paTHˈäl-/Definition of psychopathology noun the scientific study of mental disorders. features of people’s mental health considered collectively:ageism, family discord and psychopathology all play their part in abuse mental or behavioral disorder:she showed evidence of genuine psychopathologyDerivatives psychopathologicalPronunciation: /-paTHōˈläjikəl/ adjective psychopathologistPronunciation: /-T͟Häləjist/ noun psychopathology in other Oxford dictionaries Definition of psychopathology in the British & World English dictionary