psychotic Syllabification: (psy·chot·ic)Pronunciation: /sīˈkätik/Translate psychotic | into German | into Italian | into Spanish Definition of psychotic adjective of, denoting, or suffering from a psychosis:a psychotic disturbance noun a person suffering from a psychosis. Derivatives psychoticallyPronunciation: /-ik(ə)lē/ adverb psychotic in other Oxford dictionaries Definition of psychotic in the British & World English dictionary