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
In contrast, they were considered right-wing if they were propelled by racial supremacy, misogyny or opposition to liberal agendas.
—Brendan Rascius, Miami Herald, 26 Sep. 2025
Again, multiple collectives competing against each other was an issue all over the country, including at Penn State’s main competition for Big Ten supremacy.
—Ralph D. Russo, New York Times, 24 Sep. 2025
At the same time, the New World’s conquerors mocked the idea of humanity’s oneness, laying the foundation for race supremacy.
—Greg Grandin
september 23, Literary Hub, 23 Sep. 2025
America’s technological supremacy isn’t being lost to competition—it’s being surrendered by the very boards entrusted to protect it.
—Andrew King, Fortune, 20 Sep. 2025
See All Example Sentences for supremacy
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Brendan Rascius, Miami Herald, 26 Sep. 2025
Again, multiple collectives competing against each other was an issue all over the country, including at Penn State’s main competition for Big Ten supremacy.
—Ralph D. Russo, New York Times, 24 Sep. 2025
At the same time, the New World’s conquerors mocked the idea of humanity’s oneness, laying the foundation for race supremacy.
—Greg Grandin
september 23, Literary Hub, 23 Sep. 2025
America’s technological supremacy isn’t being lost to competition—it’s being surrendered by the very boards entrusted to protect it.
—Andrew King, Fortune, 20 Sep. 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 1 Oct. 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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