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 of supremacy
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 result dethroned Europe’s uncontested supremacy over great wine.
—Matthew Carey, Deadline, 27 May 2026
Three buildings over, a Civil Discourse class was debating 1798 America and the federal government’s battle with the states for supremacy.
—Laura Meckler, Washington Post, 27 May 2026
The court, the third-largest at Roland Garros with a capacity of 5,261, was part of a $442 million expansion project, designed to forge ahead in the endless arms race for supremacy between the four biggest tournaments in tennis.
—Charlotte Harpur, New York Times, 26 May 2026
At the front, their army is slowly losing ground with heavy casualties, thanks largely to Ukrainian FPV drone supremacy.
—David Hambling, Forbes.com, 22 May 2026
See All Example Sentences for supremacy
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Matthew Carey, Deadline, 27 May 2026
Three buildings over, a Civil Discourse class was debating 1798 America and the federal government’s battle with the states for supremacy.
—Laura Meckler, Washington Post, 27 May 2026
The court, the third-largest at Roland Garros with a capacity of 5,261, was part of a $442 million expansion project, designed to forge ahead in the endless arms race for supremacy between the four biggest tournaments in tennis.
—Charlotte Harpur, New York Times, 26 May 2026
At the front, their army is slowly losing ground with heavy casualties, thanks largely to Ukrainian FPV drone supremacy.
—David Hambling, Forbes.com, 22 May 2026
See All Example Sentences for supremacy
Cite this Entry
“Supremacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supremacy. Accessed 29 May. 2026.
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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