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 manosphere is a digital collection of websites, videos and forums that promote male supremacy and advocate for traditional gender roles.
—Rachel Hale, USA Today, 18 Apr. 2025
Google’s 2019 Quantum Supremacy Milestone In October 2019, Google published its quantum supremacy claim in Nature.
—Dorit Dor, Forbes.com, 17 Apr. 2025
Even in the knives-out brawl for supremacy that has become Manhattan’s five-star scene, this is a winner worth betting on.
—Christopher Cameron, Robb Report, 9 Apr. 2025
The first game features Auburn and Florida in a battle for SEC supremacy and a spot in the championship game.
—John W. Dean, MSNBC Newsweek, 5 Apr. 2025
See All Example Sentences for supremacy
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Rachel Hale, USA Today, 18 Apr. 2025
Google’s 2019 Quantum Supremacy Milestone In October 2019, Google published its quantum supremacy claim in Nature.
—Dorit Dor, Forbes.com, 17 Apr. 2025
Even in the knives-out brawl for supremacy that has become Manhattan’s five-star scene, this is a winner worth betting on.
—Christopher Cameron, Robb Report, 9 Apr. 2025
The first game features Auburn and Florida in a battle for SEC supremacy and a spot in the championship game.
—John W. Dean, MSNBC Newsweek, 5 Apr. 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 2 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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