supremacy

noun

su·​prem·​a·​cy sə-ˈpre-mə-sē How to pronounce supremacy (audio)
sü-
also -ˈprē-
plural supremacies
Synonyms of supremacynext
1
: the quality or state of being supreme
especially : a position of unquestioned authority, dominance, or influence
military/naval supremacy
In the 20th century, two completely different models of how to run an economy battled for supremacy. Bill McKibben
Natal's well-watered valleys … became by the end of the 18th century the site of a contest for supremacyNoel Mostert
Every high school boasts its elite squad of lookers: sparkling teeth, merciless anatomy, sunny filaments of hair … . Between classes, they parade down the halls, trooping their supremacies like Clydesdales. Richard Lacayo
2
: ultimate authority or power
belief in the supremacy of God

Examples of supremacy in a Sentence

the Roman empire had supremacy over the entire Mediterranean world the supremacy of cashmere among wools accounts for its high price
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Australia once had a thriving car industry, with Holden, a General Motors brand, and Ford Australia battling for supremacy throughout much of the twentieth century. Bill McKibben, New Yorker, 28 July 2026 Increasing popularity and selling as many tickets as is possible boosts revenues; revenues can be used to reinvest in infrastructure and to make tournaments better in the ongoing arms race for supremacy between the four Grand Slams. James Hansen, New York Times, 27 July 2026 But for at least this coming season, home will be in Philadelphia, alongside a talented cast that should be able to contend for an NBA title and certainly challenge the defending champion New York Knicks for Eastern Conference supremacy. Ira Winderman, Sun Sentinel, 24 July 2026 From impoverishment to global superpower, China’s supremacy happened at a breakneck speed thanks to the visionary strategy of the man who took power in 1978. Rund Abdelfatah, NPR, 23 July 2026 See All Example Sentences for supremacy

Word History

Etymology

supreme + -acy (as in primacy)

First Known Use

1540, in the meaning defined at sense 1

Time Traveler
The first known use of supremacy was in 1540

Browse Nearby Words

Cite this Entry

“Supremacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supremacy. Accessed 8 Aug. 2026.

Kids Definition

supremacy

noun
plural supremacies
1
: the quality or state of being supreme
2
: supreme authority or power

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