Immediate manager is a term used to refer to the person in charge of a particular department or team. However, there are many other synonyms that can be used in place of immediate manager. Some of these include supervisor, team leader, department head, line manager, project manager, shift manager, and unit manager. Each of these terms describes a slightly different role and level of responsibility within an organization. Regardless of the title, the immediate manager is typically responsible for overseeing the day-to-day operations of a specific team or department and ensuring that employees are working efficiently and effectively to achieve their goals.