n. (used with a sing. verb)1. The study of the relationship among politics and geography, demography, and economics, especially with respect to the foreign policy of a nation.
2. a. A governmental policy employing geopolitics.
b. A Nazi doctrine holding that the geographic, economic, and political needs of Germany justified its invasion and seizure of other lands.
3. A combination of geographic and political factors relating to or influencing a nation or region.