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
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Trumps
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
President Biden's Inaugural Speech (January 2021)
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
With polished prose and impeccable research, historian Philbrick unravels the Golden State’s ties to profit, enslavement and white supremacy.
From Los Angeles Times ● Oct. 1, 2026
The World Humanoid Games, held in late August in Beijing, were meant to demonstrate the supremacy of China’s robotics industry.
From Slate ● Sep. 27, 2026
Still, the competition for supremacy will continue to shape the AI ecosystem for the rest of the world, experts told MarketWatch.
From MarketWatch ● Sep. 26, 2026
North American Blue Energy Partners, backed by the Pentagon, is racing to boost its production in the Latin American country, where Chevron has held longstanding supremacy.
From The Wall Street Journal ● Sep. 25, 2026
It was as though a thousand age-old fears woke and struggled for supremacy in his brain.
From "And Then There Were None" by Agatha Christie
![]()
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.