supremacy
Americannoun
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supreme power; authority
-
the quality or condition of being supreme
Other Word Forms
Etymology
Origin of supremacy
Explanation
Supremacy is the state of having the ultimate authority. A ruling king has supremacy over his kingdom. When one group dominates another, it has supremacy. One country's army might have military supremacy over another, or your favorite baseball team might gain supremacy in the third game of the World Series, meaning it has power over the other team in the series. Supremacy comes from the Latin word supremus, which means highest.
Vocabulary lists containing supremacy
Power Suffix: -acy
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Trumps
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President Biden's Inaugural Speech (January 2021)
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This week’s Amicus also launches their first installment of By the People, in which Dahlia Lithwick and Mark Joseph Stern explore how and when the idea of judicial supremacy took over.
From Slate ● Jul. 23, 2026
China’s rapid advances in AI has been spurred in part by Beijing’s efforts to become self-sufficient as it competes for technological supremacy against the U.S.
From The Wall Street Journal ● Jul. 17, 2026
But the genre also requires action, adventure, enlightenment, struggle, the guest-host relationship observed by the ancients and the supremacy of brains over brawn.
From The Wall Street Journal ● Jul. 16, 2026
As the U.S. and China race for artificial-intelligence supremacy, cutting-edge technology is increasingly becoming a national-security concern.
From MarketWatch ● Jul. 11, 2026
Its supremacy was commercial and intellectual; it was based less on infantry troops than on innovative technology.
From "1491" by Charles C. Mann
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.