twelve
Americannoun
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twelves
plural
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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.
See Examples For:
“As a result, they are more skeptical about their income expectations for the next twelve months.”
From The Wall Street Journal ● Sep. 25, 2026
The firm said gas prices in the UK are twelve times higher than in the US, and eight times more expensive than the coal-based processes used by Chinese competitors.
From BBC ● Sep. 22, 2026
Since 2013, Roblox says it has paid out more than $5 billion to creators, including $1.7 billion over the past twelve months.
From Barron's ● Sep. 11, 2026
The research effort began more than twelve years ago, when scientists repeatedly encountered frogs that clearly appeared to represent species that had never been formally described.
From Science Daily ● Aug. 30, 2026
It is like going back ten, twelve thousand years, running over these mountains with a dog team.
From "Woodsong" by Gary Paulsen
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We need to think about the world in terms of twelves!
From The New Yorker ● Nov. 7, 2019
Six seeds are 86-50 against the elevens, fives are 89-47 against twelves, and once you get to fours vs. thirteens, you're in never gonna happen territory.
From Golf Digest ● Mar. 18, 2019
Your teacher chants, “Twelve twelves, a hundred thirty-four.”
From The New Yorker ● Sep. 17, 2012
The biggest surprise came from New Zealand, which entered two innovative boats built not of wood or aluminum like traditional twelves but of fiber glass, prompting an instant nickname: plastic fantastics.
From Time Magazine Archive
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They never mentioned Petra’s dream, Calder’s problem-solving, Charles Fort, the twelves, or the blue ones.
From "Chasing Vermeer" by Blue Balliett
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.