1. a large political entity formed by the union or alliance of several nations or states

Examples

• The European Union functions as a modern supernation with shared policies and governance.
• Some political theorists envision a future supernation spanning multiple continents.
• The formation of a supernation requires extensive cooperation between member states.
• Economic integration often precedes the establishment of a supernation.
• Critics argue that a supernation might diminish individual national sovereignty.
• The supernation’s parliament represented delegates from dozens of countries.