noun. A powerful and influential nation, especially a nuclear power that dominates its allies or client states in an international power bloc.

noun. Electricity generated in a large plant that is tied into a regional network, on a larger scale than was common in the early years of commercial electricity production.

noun. Excessive or superior power.

noun. A sovereign state with dominant status on the globe and a very advanced military, especially the Soviet Union or United States.

noun. A fictional extraordinary physical or mental ability, especially possessed by a superhero or supervillain.

noun. a state powerful enough to influence events throughout the world

"He elaborated later that the word superpower is no longer sufficient to describe the United States."

body politic  commonwealth  country  land  nation  

hegemon  

Auer  Bower  Gower  Power  bower  

griffon  head-on  hegemon  hegemony  jumja  

ally  amperage  archduchy  archdukedom  armipotence