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
Politicians on both sides of the aisle have expressed a desire to secure American supremacy in space.
—Andrew Freedman, CNN Money, 11 Sep. 2025
But if only a few nations achieve a measure of global AI supremacy, that could have far-reaching impacts on competitiveness, economic and financial power concentration, control over key technologies for modern life, and outsized social and cultural influence.
—John Koetsier, Forbes.com, 11 Sep. 2025
Eli Lilly vs Novo Nordisk CNBC's Angelica Peebles updates us on the competition between the two for diet drug supremacy.
—Jason Gewirtz, CNBC, 11 Sep. 2025
The company, which disputed the figure, is among the top humanoid robotic firms in China, vying with the US for global supremacy in the sector.
—Rachyl Jones, semafor.com, 10 Sep. 2025
See All Example Sentences for supremacy
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.
Andrew Freedman, CNN Money, 11 Sep. 2025
But if only a few nations achieve a measure of global AI supremacy, that could have far-reaching impacts on competitiveness, economic and financial power concentration, control over key technologies for modern life, and outsized social and cultural influence.
—John Koetsier, Forbes.com, 11 Sep. 2025
Eli Lilly vs Novo Nordisk CNBC's Angelica Peebles updates us on the competition between the two for diet drug supremacy.
—Jason Gewirtz, CNBC, 11 Sep. 2025
The company, which disputed the figure, is among the top humanoid robotic firms in China, vying with the US for global supremacy in the sector.
—Rachyl Jones, semafor.com, 10 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 17 Sep. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share