Legally separated is a term used to describe a couple that has undergone a court-sanctioned separation. There are different synonyms that can be used to describe this situation. One common synonym is "judicial separation," which refers to a legal separation that was granted by the court. Another synonym is "legally divided," which is used to describe a separation that has been approved by the law. "Separate maintenance" is also a synonym that refers to a legal separation that involves the court ordering one spouse to provide financial support to the other. Ultimately, these terms all refer to a legally binding separation that has been approved by the court system.