across
Americanpreposition
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from one side to the other of.
a bridge across a river.
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on or to the other side of; beyond.
across the sea.
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into contact with; into the presence of, usually by accident.
to come across an old friend; to run across a first edition of Byron.
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crosswise of or transversely to the length of something; athwart.
coats across the bed; straddled across the boundary line.
adverb
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from one side to another.
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on the other side.
We'll soon be across.
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crosswise; transversely.
with arms across.
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so as to be understood or learned.
He couldn't get the idea across to the class.
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into a desired or successful state.
to put a business deal across.
adjective
preposition
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from one side to the other side of
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on or at the other side of
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so as to transcend boundaries or barriers
people united across borders by religion and history
the study of linguistics across cultures
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fully informed about; dealing with
we are across this problem
adverb
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from one side to the other
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on or to the other side
Etymology
Origin of across
Explanation
Across describes something that's situated on the opposite side or the direction you have to go to get from one side to another. Thinking about swimming across the English Channel? It's 23.7 miles across from England to France, so you might want to take a boat instead. The phrase "across the board" means that all parts of something are affected. But it originally came from horse racing, to describe when someone bet equal amounts of money on a horse to come in first, second, or third place. The "board" was the blackboard where bookmakers chalked up the odds for each horse.
Vocabulary lists containing across
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.
As Fielder clarifies the punchline, Holmes breaks down in tears across from him, frustrated that she can’t understand.
From Salon ● Oct. 17, 2026
They then used 24 estimates of the world population stretching across the past 2,000 years to show that human numbers have in fact continually outpaced expectations.
From Science Daily ● Oct. 17, 2026
Fires in Indonesia that have sent toxic smoke and disrupted daily life across Southeast Asia have triggered the highest-level alert by the regional bloc's meteorological monitor.
From Barron's ● Oct. 17, 2026
Yet the wings that carry it across vast distances must also perform a very different task: helping the bird catch insects while flying slowly and making sharp turns.
From Science Daily ● Oct. 17, 2026
Caesar keeps searching, testing a path across the muddy waters.
From "Will’s Race for Home" by Jewell Parker Rhodes
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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.
