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
Global Competition Is Fiercer Than Ever While the U.S. once held an undisputed lead in R&D, nations such as China, Germany and Japan are rapidly closing the gap, vying for supremacy in fields like artificial intelligence, quantum science and sustainable energy technologies.
—Justin Schwartz, Forbes.com, 12 May 2025
And while the watch world has had a Formula 1 obsession as of late—as brands compete for supremacy in the sport—this watch actually flew under the radar for a time, with Leclerc wearing it all the way back at the Bahrain GP a month ago without anyone really noticing.
—Nicole Hoey, Robb Report, 12 May 2025
But its willingness to weaponize the supply chain may be one of the starkest examples of how Mr. Xi is redefining China’s relationship with the world and challenging the supremacy of the United States like no Chinese leader before him.
—David Pierson, New York Times, 10 May 2025
Under the supremacy clause, if there is a conflict between federal and state governments, judges must prioritize federal laws.
—Elliott Wenzler, Denver Post, 8 May 2025
See All Example Sentences for supremacy
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Justin Schwartz, Forbes.com, 12 May 2025
And while the watch world has had a Formula 1 obsession as of late—as brands compete for supremacy in the sport—this watch actually flew under the radar for a time, with Leclerc wearing it all the way back at the Bahrain GP a month ago without anyone really noticing.
—Nicole Hoey, Robb Report, 12 May 2025
But its willingness to weaponize the supply chain may be one of the starkest examples of how Mr. Xi is redefining China’s relationship with the world and challenging the supremacy of the United States like no Chinese leader before him.
—David Pierson, New York Times, 10 May 2025
Under the supremacy clause, if there is a conflict between federal and state governments, judges must prioritize federal laws.
—Elliott Wenzler, Denver Post, 8 May 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 21 May. 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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