Dictionary/部内ぶないBunai部内 (Bunai) is a Japanese noun meaning “the staff, inside the department”.Meaningsnounthe staff; inside the departmentKanji in 部内部section内insideRelated words内inside内within ...全部all部屋room部department (in an organization, company, etc.)部長head (chief, director) of a section or department区内in a ward内科internal medicine内容contents部下subordinate person警部police inspector本部headquarters