A state that has the ability to exert its influence on a global scale.(noun)
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Use "great power" in a sentence
"However, on account of the great power which the Estates had acquired in his dominions John Sigismund was not able to undertake a vigorous policy."
"This was the birthday of the future great state of Prussia, for Prussia has not become a great power from natural, geographical, or national conditions, but is the product of the work of its kings of the House of Hohenzollern."
"In the best Japanese companies the position of shusa carries great power and is, perhaps, the most coveted in the company."