four
Americannoun
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a cardinal number, three plus one.
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a symbol of this number, 4 or IV or IIII.
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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 four pips.
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Jazz. fours, alternate four-bar passages, as played in sequence by different soloists.
with guitar and piano trading fours.
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Automotive.
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an automobile powered by a four-cylinder engine.
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the engine itself.
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adjective
idioms
noun
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the cardinal number that is the sum of three and one
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a numeral, 4, IV, etc, representing this number
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something representing, represented by, or consisting of four units, such as a playing card with four symbols on it
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Also called: four o'clock. four hours after noon or midnight
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cricket
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a shot that crosses the boundary after hitting the ground
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the four runs scored for such a shot
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rowing
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a racing shell propelled by four oarsmen pulling one oar each, with or without a cox
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the crew of such a shell
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determiner
Etymology
Origin of four
before 1000; Middle English four, fower, Old English fēower; cognate with Old High German fior ( German vier ), Gothic fidwor; akin to Latin quattuor, Greek tésseres ( Attic téttares )
Vocabulary lists containing four
Spelling Practice 1, Unit 3
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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.
Four areas in Ituri have been affected by the outbreak: Mongwalu, Bunia, Rwampara and Nyakunde.
From BBC • May 20, 2026
American actress Tina Fey hopes the latest installment of Netflix comedy "The Four Seasons" will inspire viewers to pick up the phone and check in with old friends.
From Barron's • May 20, 2026
Four other candidates have so far been announced as standing in the Makerfield by-election:
From BBC • May 20, 2026
Four years later, he became the orchestra’s music director and caught the world’s attention.
From Los Angeles Times • May 19, 2026
Four days of hiking, three nights of overnight camping.
From "Paradise on Fire" by Jewell Parker Rhodes
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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.