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

(countable, fiction) An extraordinary physical or mental ability, especially possessed by a superhero or supervillain.

(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.

(mathematics) A tetration.

(uncountable) Excessive or superior power.

(transitive) To give extraordinary powers to.