Cordoned off is a term used to describe the process of creating a physical barrier or boundary around an area to restrict access. There are several synonyms for cordoned off, including barricaded, fenced, enclosed, isolated, restricted, and blocked. These words all refer to the action of preventing unauthorized entry or maintaining separation from a particular area. Each synonym carries a slightly different connotation, for example, barricaded may imply a more forceful measure than cordoned off, while fenced may suggest a more permanent boundary. Whatever term is used, the important thing is that cordoning off an area is an effective way to control and manage the movement of people and maintain safety and security.