Dictionary.com
Thesaurus.com
Synonyms

go under

British  

verb

  1. (also preposition) to sink below (a surface)

  2. to founder or drown

  3. to be conquered or overwhelmed

    the firm went under in the economic crisis

"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

go under Idioms  
  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 .


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.

See Examples For:

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

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training