go under
Britishverb
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(also preposition) to sink below (a surface)
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to founder or drown
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to be conquered or overwhelmed
the firm went under in the economic crisis
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Suffer defeat or destruction; fail. For example, We feared the business would go under after the founder died . [Mid-1800s]
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Lose consciousness. For example, Ether was the first anesthetic to make patients go under quickly and completely . This usage dates from the 1930s.
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Submerge, sink, as in This leaky boat is about to go under .
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.
I don’t want any brokerage firm to go under.
From The Wall Street Journal ● Jun. 23, 2026
Human bones, including a skull, were due to go under the hammer on Friday, but Great Western Auctions withdrew the item for sale after being contacted by BBC Scotland News.
From BBC ● Jun. 9, 2026
Dixon, who represented parts of west and south central L.A., also pushed for the subway to go under Pico Boulevard instead of Wilshire.
From Los Angeles Times ● May 7, 2026
Homes that go under contract don’t close immediately—meaning the data reflects market conditions a month or so prior.
From Barron's ● Apr. 12, 2026
Under the “hunting and gathering” heading, they would go under “gathering”.
From "Life of Pi" by Yann Martel
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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.