neuropsychiatryPronunciation: /njʊərə(ʊ)sʌɪˈkʌɪətri/Definition of neuropsychiatry noun [mass noun] psychiatry relating mental or emotional disturbance to disordered brain function. Derivatives neuropsychiatric adjective neuropsychiatrist noun neuropsychiatry in other Oxford dictionaries Definition of neuropsychiatry in the US English dictionary