nine
Americannoun
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nines
plural
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a cardinal number, eight plus one.
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a symbol for this number, as 9 or IX.
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a set of this many persons or things.
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a baseball team.
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a playing card with nine pips.
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the Nine, the Muses.
adjective
idioms
noun
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the cardinal number that is the sum of one and eight See also number
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a numeral, 9, IX, etc, representing this number
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something representing, represented by, or consisting of nine units, such as a playing card with nine symbols on it
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Also: nine o'clock. nine hours after noon or midnight
the play starts at nine
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informal elaborately dressed
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(in Britain) the telephone number of the emergency services
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normal office hours
he works nine to five
a nine-to-five job
determiner
Other Word Forms
Noun Inflected Forms
Etymology
Origin of nine
before 900; Middle English; Old English nigan, nigon, cognate with Dutch negen, akin to German neun, Old Norse nīu, Gothic niun, Latin novem, Greek ennéa, Sanskrit náva
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.
See Examples For:
Uiagalelei, who played at St. John Bosco High, entered with three minutes to play in the third quarter and completed six of nine passes for 120 yards and a touchdown.
From Los Angeles Times ● Aug. 14, 2026
Holly: Wilson sits among some high-profile signings for the club over the summer, with the former Fulham man producing 19 goal involvements last season, 10 goals and nine assists.
From BBC ● Aug. 14, 2026
Astronaut Wally Schirra boarded the vessel wearing his personal Omega Speedmaster Professional, orbiting Earth six times over the course of nine hours.
From Los Angeles Times ● Aug. 14, 2026
Of the nine that like us equally or better, just two—Hungary and Poland—are members of NATO.
From Slate ● Aug. 13, 2026
The problem with being small and nine years old and alone was that no one listened to him.
From "The Way to Rio Luna" by Zoraida Cordova
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City signed him from Dortmund at 21 and he has developed into one of the world's most feared number nines.
From BBC ● Aug. 7, 2026
"How many nines of reliability do you need to scale?"
From Barron's ● Jul. 22, 2026
He recalls the crowd in particular: “Everyone was dressed to the nines … it was an atmosphere I had never experienced before,” he says.
From Los Angeles Times ● May 19, 2026
The reliability of core services on the internet is often measured in nines.
From The Wall Street Journal ● Apr. 13, 2026
Silk, chiffon, and all decked out to the nines.
From "Like Vanessa" by Tami Charles
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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.