supremacy

noun

su·​prem·​a·​cy sə-ˈpre-mə-sē How to pronounce supremacy (audio)
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
Natal's well-watered valleys … became by the end of the 18th century the site of a contest for supremacyNoel 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
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The weekly climb to high school cross country supremacy continues Friday and Saturday with the Orange County Championships. Steve Fryer, Oc Register, 16 Oct. 2025 Still, their progress, made easier by supremacy in the air, appeared inexorable. Literary Hub, 14 Oct. 2025 Since a Supreme Court decision in 1943, the supremacy of the FCC in broadcast regulation has been unquestioned. Michael J. Socolow, The Conversation, 14 Oct. 2025 In a battle for NFC supremacy, Tampa Bay exerted its dominance while the Niners’ season — which looked so promising last Thursday — appears to be in total flux following the likely season-ending injury to Fred Warner and San Francisco’s floundering performance. Dieter Kurtenbach, Mercury News, 13 Oct. 2025 See All Example Sentences for supremacy

Word History

Etymology

supreme + -acy (as in primacy)

First Known Use

1540, in the meaning defined at sense 1

Time Traveler
The first known use of supremacy was in 1540

Browse Nearby Words

Cite this Entry

“Supremacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supremacy. Accessed 22 Oct. 2025.

Kids Definition

supremacy

noun
su·​prem·​a·​cy sə-ˈprem-ə-sē How to pronounce supremacy (audio)
plural supremacies
1
: the quality or state of being supreme
2
: supreme authority or power

More from Merriam-Webster on supremacy

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