A city wall often refers to the fortified barriers that surround a city or town in order to provide protection against external threats. Other synonyms for city wall include fortifications, ramparts, bastions, citadels, battlements, parapets, barriers, embankments, and defenses. These synonyms demonstrate the various types of structures that can be used to secure a city. While some of these may be used interchangeably, they all convey a sense of strength and fortitude, as well as the historical and cultural significance of providing safety and security to a community. Ultimately, the choice of synonym depends on the context in which it is used and the writer's personal style and preference.