twenty-one
Americannoun
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a cardinal number, 20 plus 1.
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a symbol for this number, as 21 or XXI.
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a set of this many persons or things.
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Cards. Also 21. blackjack.
adjective
noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When she wrote “My Brilliant Career,” Miles Franklin—aka Stella Maria Sarah Miles Franklin—was just a kid, “a little bush girl, barely twenty-one yet.”
From The Wall Street Journal ● Aug. 11, 2026
One hundred twenty-one of the 594 athletes on the American team — more than one in five — are from the state.
From Los Angeles Times ● Aug. 10, 2024
“If you’re coming and you’re over twenty-one, my question is, ‘why now?’” he explained, referring to the legal buying age in Florida.
From Seattle Times ● Nov. 5, 2023
At least twenty-one people have died in southern Brazil, after a cyclone made landfall in the state of Rio Grande do Sul.
From BBC ● Sep. 5, 2023
Dad married when he was twenty-one, had his first son, my brother Tony, at twenty-two.
From "Educated" by Tara Westover
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
