アメンチアMeanings1nounamentiaMedical term for a severe confusional state with disorientation and incoherence, often used in psychiatric contexts.from Latinアメンチアは、急きゅう性せいの錯さく乱らん状じょう態たいを指さす医い学がく用よう語ごです。Amentia is a medical term for an acute confusional state.