geoeconomics Syllabification: (ge·o·ec·o·nom·ics)Pronunciation: /ˌjēōˌekəˈnämiks, -ēkə-/Definition of geoeconomics noun [treated as singular] 1the study of the economic trends and conditions of the world’s countries and how they are related; economics considered on the broadest global scale. 2the economic policies or conditions of a country as seen in a global perspective.