- Sharing a common boundary; touching.
- Being of the same extent or scope; coextensive.
Derived from the latin word "conterminus" meaning having the same boundaries or limits.
- The two countries were conterminous with each other.
- The two states were conterminous along a long border.
- The two provinces were conterminous in the north of the country.
- The two territories were conterminous in size and population.
- The two regions were conterminous in terms of industry and economy.