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go under

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verb (intr, mainly adverb)
(also preposition) to sink below (a surface)
to founder or drown
to be conquered or overwhelmedthe firm went under in the economic crisis
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use go under in a sentence

Other Idioms and Phrases with go under

go under

1

Suffer defeat or destruction; fail. For example, We feared the business would go under after the founder died. [Mid-1800s]

2

Lose consciousness. For example, Ether was the first anesthetic to make patients go under quickly and completely. This usage dates from the 1930s.

3

Submerge, sink, as in This leaky boat is about to go under.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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