supremacy
Americannoun
-
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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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.
But there’s still the Supremacy Clause of the Constitution, which gives the federal government authority over immigration.
From The Wall Street Journal • Jan. 19, 2026
Craig Williams, who rode Vow And Declare to victory in 2019, will take the reins of joint-third favourite Buckaroo while Robbie Dolan, who won last year on rank outsider Knight's Choice, is on-board Royal Supremacy.
From Barron's • Nov. 3, 2025
That’s Supremacy Clause 101: When a federal law conflicts with a state law, the federal law preempts the state law.
From Slate • Apr. 22, 2024
To obtain immunity, he would need to show that his conduct served some actual U.S. government purpose that the Supremacy Clause would forbid the state from annulling.
From Los Angeles Times • Aug. 31, 2023
He forced the Government to pass the Act of Supremacy as a defence against treason, and was thus the cause also of the execution of Sir Thomas More and the Charterhouse Monks.
From The Divorce of Catherine of Aragon The Story as Told by the Imperial Ambassadors Resident at the Court of Henry VIII by Froude, J.A.
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.