twelve
Americannoun
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a cardinal number, 10 plus 2.
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a symbol for this number, as 12 or XII.
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a set of this many persons or things.
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the Twelve, the 12 apostles chosen by Christ.
adjective
noun
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the cardinal number that is the sum of ten and two See also number
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a numeral, 12, XII, etc, representing this number
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something represented by, representing, or consisting of 12 units
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Also called: twelve o'clock. noon or midnight
determiner
Other Word Forms
Noun Inflected Forms
Etymology
Origin of twelve
before 900; Middle English twelve, inflected form of twelf, Old English twelfe literally, (ten and) two leave, i.e., two left over; cognate with Old Frisian twelef, twelf, Old High German zwelif, Old Norse tōlf, Gothic twalif; compare Lithuanian dvýlika; see two, leave 1, eleven
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.
Twelve rate it at Hold, and just two at Underweight.
From Barron's • Jul. 1, 2026
Twelve more were given wildcards, and three came through qualifying.
From BBC • Jun. 30, 2026
Twelve flags on the sides nod to the “12th Man” fan base; one is a secret button — push it and the arches pop out to reveal the words “World Champions.”
From Los Angeles Times • Jun. 12, 2026
It also has a deal with Twelve, a startup that uses “industrial photosynthesis,” to produce SAF from CO2 and water.
From The Wall Street Journal • Jun. 2, 2026
“Because, Piper, Twelve Mile is a mall. Winterset is a collection. That means it’s fancier than a mall. More expensive, too.”
From "Shine!" by J.J. and Chris Grabenstein
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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.