three
Americannoun
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a cardinal number, 2 plus 1.
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a symbol for this number, as 3 or III.
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a set of this many persons or things.
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a playing card, die face, or half of a domino face with three pips.
adjective
idioms
noun
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the cardinal number that is the sum of two and one and is a prime number See also number
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a numeral, 3, III, (iii), representing this number
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the amount or quantity that is one greater than two
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something representing, represented by, or consisting of three units such as a playing card with three symbols on it
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Also called: three o'clock. three hours after noon or midnight
determiner
Etymology
Origin of three
First recorded before 900; Middle English; Old English thrēo, thrīo, feminine and neuter of thrī(e); cognate with Dutch drie, German drei, Old Norse thrīr, Gothic threis, Greek treîs, Latin trēs “three,” ter “thrice,” Irish trí, Old Church Slavonic tri, Sanskrit trī, tráyas
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.
Barbera points to three things that might explain today’s disconnect, none of which is entirely exclusive of one another.
From The Wall Street Journal • May 24, 2026
Gerald Eddie Brown soared the skies for more than three decades, flying jet fighters for the U.S.
From The Wall Street Journal • May 24, 2026
There were three ties at Saturday’s awards ceremony.
From Los Angeles Times • May 23, 2026
It is those habits that will drive Bordeaux's bid to match the great Toulon side of 2013-2015 who won three successive Champions Cups.
From BBC • May 23, 2026
Her mind, it was soon clear, was as active as ever, but the power of speech did not return—with the exception of three words.
From "The Hiding Place" by Corrie ten Boom
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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.