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
The achievement of quantum computing, along with the concept of quantum supremacy, may raise significant concerns.
—Chuck Brooks, Forbes.com, 1 Aug. 2025
Anadolu | Anadolu | Getty Images As the U.S. and China vie for economic, technological and geopolitical supremacy, the critical elements and metals embedded in technology from consumer to industrial and military markets have become a pawn in the wider conflict.
—Bob Woods, CNBC, 13 July 2025
When your spirituality is about the supremacy of your belief over others, your politics will be too.
—MSNBC Newsweek, 11 July 2025
Meta’s massive bet on AI talent is reshaping the landscape of tech compensation and intensifying the global race for artificial intelligence supremacy.
—Ashley Lutz, Fortune, 11 July 2025
See All Example Sentences for supremacy
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Chuck Brooks, Forbes.com, 1 Aug. 2025
Anadolu | Anadolu | Getty Images As the U.S. and China vie for economic, technological and geopolitical supremacy, the critical elements and metals embedded in technology from consumer to industrial and military markets have become a pawn in the wider conflict.
—Bob Woods, CNBC, 13 July 2025
When your spirituality is about the supremacy of your belief over others, your politics will be too.
—MSNBC Newsweek, 11 July 2025
Meta’s massive bet on AI talent is reshaping the landscape of tech compensation and intensifying the global race for artificial intelligence supremacy.
—Ashley Lutz, Fortune, 11 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 24 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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