Most continental refers to the geographical region on the Earth's surface characterized mainly by its similarities with the mainland of Eurasia. Some synonyms for this geographical term include: 1. Mainland: Refers to the continental area that borders the coastlines of the surrounding islands. 2. Peninsular: This refers to a geographical region that is narrow and juts out into the sea from the mainland. 3. Territorial: This refers to the geographical space that belongs to a particular nation or country. 4. Continental shelf: This refers to the submerged land that extends from the coastline encompassing the continents. 5. Mainline: This refers to the central part or artery of an entity or system. All these synonyms imply a connection or association with the mainland, making them apt substitutes for most continental.