nineteen
Americannoun
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a cardinal number, ten plus nine.
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a symbol for this number, as 19 or XIX.
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a set of this many persons or things.
adjective
idioms
noun
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the cardinal number that is the sum of ten and nine and is a prime number See also number
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a numeral, 19, XIX, etc, representing this number
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something represented by, representing, or consisting of 19 units
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to talk incessantly
determiner
Etymology
Origin of nineteen
before 1000; Middle English nintene, Old English nigontȳne. See nine, -teen
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.
Britain’s top tax rates reached 95% on “unearned” income—or, as Harrison put it, “one for you, nineteen for me.”
From The Wall Street Journal • Feb. 20, 2026
There have been nineteen confirmed cases of food poisoning following reports of customers feeling unwell after eating a carvery at a pub.
From BBC • Oct. 28, 2025
Crashing in the Canadian wilderness in 1996 with your soccer teammates and being stranded there for nineteen months is pretty specific.
From Salon • Mar. 11, 2025
“These nineteen Americans built teams, coalitions, movements, organizations, and businesses that shaped America for the better,” the announcement from the White House said.
From Seattle Times • May 3, 2024
Located in Northern California, Tule Lake was a high-security segregation center with almost nineteen thousand inmates.
From "A Place to Belong" by Cynthia Kadohata
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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.