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
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
Is the mini flyer set to duke it our for aerial supremacy with the likes of DJI?
—Paul Ridden
july 28, New Atlas, 28 July 2025
Because China now possesses the strength to deny the U.S. regional dominance, the U.S. must seek to maintain a balance of power, rather than permanent supremacy, per the report.
—Micah McCartney, MSNBC Newsweek, 10 July 2025
That’s failure in the race against China for AI supremacy; failure to provide ample affordable power for its citizens; and failure to make energy as clean as possible while climate change woes mount with each passing year.
—Jordan Blum, Fortune, 3 July 2025
Presidential supremacy over the legislative process has been on the rise for decades.
—Charlie Hunt, The Conversation, 3 July 2025
See All Example Sentences for supremacy
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Paul Ridden
july 28, New Atlas, 28 July 2025
Because China now possesses the strength to deny the U.S. regional dominance, the U.S. must seek to maintain a balance of power, rather than permanent supremacy, per the report.
—Micah McCartney, MSNBC Newsweek, 10 July 2025
That’s failure in the race against China for AI supremacy; failure to provide ample affordable power for its citizens; and failure to make energy as clean as possible while climate change woes mount with each passing year.
—Jordan Blum, Fortune, 3 July 2025
Presidential supremacy over the legislative process has been on the rise for decades.
—Charlie Hunt, The Conversation, 3 July 2025
See All Example Sentences for supremacy
Cite this Entry
“Supremacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supremacy. Accessed 9 Aug. 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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