supremacy
noun
su·prem·a·cy
sə-ˈpre-mə-sē 
sü-,
also -ˈprē-
plural supremacies
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
Bill McKibben Natal's well-watered valleys … became by the end of the 18th century the site of a contest for supremacy … —Noel Mostert
Noel 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
Richard Lacayo 2
: ultimate authority or power
belief in the supremacy of God
Synonyms
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
Now, China is facing off with the U.S. not just on trade but advanced technologies including AI and semiconductors, as the world’s two largest economies jockey for supremacy in these areas.
—Yue Wang, Forbes, 17 Feb. 2025
Their supremacy in the sport was fueled, in part, by the fact that they were looked after exceptionally well by the state.
—Jamie Barton, CNN, 15 Feb. 2025
In Chicago, as in other major cities, a few high-profile mobsters battled it out for bootlegging supremacy.
—Sarah Holzmann, Smithsonian Magazine, 14 Feb. 2025
The first reason for the low-budget erotic thriller’s dominance had to do with Blockbuster Video’s supremacy as the United States’ biggest video store chain.
—Jim Hemphill, IndieWire, 13 Feb. 2025
See all Example Sentences for supremacy 
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Yue Wang, Forbes, 17 Feb. 2025
Their supremacy in the sport was fueled, in part, by the fact that they were looked after exceptionally well by the state.
—Jamie Barton, CNN, 15 Feb. 2025
In Chicago, as in other major cities, a few high-profile mobsters battled it out for bootlegging supremacy.
—Sarah Holzmann, Smithsonian Magazine, 14 Feb. 2025
The first reason for the low-budget erotic thriller’s dominance had to do with Blockbuster Video’s supremacy as the United States’ biggest video store chain.
—Jim Hemphill, IndieWire, 13 Feb. 2025
See all Example Sentences for supremacy
Dictionary Entries Near supremacy
Cite this Entry
“Supremacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supremacy. Accessed 21 Feb. 2025.
Copy CitationKids Definition
supremacy
noun
su·prem·a·cy
sə-ˈprem-ə-sē
plural supremacies
1
: the quality or state of being supreme
2
: supreme authority or power
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