psychogeriatrics, psychogeriatric, geropsychiatry 1. Pertaining to mental illness or disturbance in old people. 2. Of a person: old and mentally ill or disturbed. 3. Concerning elderly patients who have a psychiatric disorder. 4. A reference to mental illness in old age, commonly denoting a patient or a hospital. 5. The branch of psychiatry conc...
the psychology of old age.