superpower

1. (countable) A sovereign state with dominant status on the globe and a very advanced military, especially the United States or formerly the Soviet Union.Examples: "Our superpower competition will be reunified Germany (perhaps together with its European satellites) and expanding Japan (perhaps allied with China, if they can bring that off)."; "The year 1945 marked the end of Europe's global hegemony and confirmed the US and the Soviet Union as global superpowers."; "Deals unveiled during US President Donald Trump's recent visit to the region showcased Saudi Arabia and the United Arab Emirates' aspirations to become AI superpowers."countable

2. (countable, originally fiction) An extraordinary physical or mental ability, especially possessed by a superhero or supervillain.Examples: "Administered in such a way, in that superpowers it assures."; "This is his superpower, I think. The comic geek always has one, and Oliver's is a poker face that would leave even the Holy Trinity guessing what he's thinking."; "If I could have a superpower id^([sic]) want to be able to teleport. I hate walking and driving gives me headaches."countable

3. (obsolete, uncountable) 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.obsoleteuncountable

4. (mathematics) A tetration.Synonyms: power towerAntonyms: superlogarithmcountableuncountable

5. (uncountable) Excessive or superior power.uncountable