Exurb, a term used to describe a rural area beyond the suburbs, can be easily replaced by several other synonyms. Periphery, outskirts, hinterland, and countryside are some of the words that convey the same meaning as exurb. Outlying district, remote town, and rural perimeter are also some of the phrases used to describe exurb. However, it is important to note that each of these synonyms may carry different connotations and nuances. For instance, periphery and outskirts may imply a closer proximity to the city, while hinterland and countryside may indicate a more remote and rural location. Ultimately, the choice of synonym depends on the context and intended meaning.