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  • cave-in
    cave-in
    noun
    a collapse, as of anything hollow.
  • cave in
    cave in
    verb
    to collapse; subside
Synonyms

cave-in

American  
[keyv-in] / ˈkeɪvˌɪn /

noun

  1. a collapse, as of anything hollow.

    the worst cave-in in the history of mining.

  2. a place or site of such a collapse.

  3. submission to something or someone previously opposed or resisted.

    His cave-in to such unreasonable demands shocked us.


cave in British  

verb

  1. to collapse; subside

  2. informal to yield completely, esp under pressure

"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

noun

  1. the sudden collapse of a roof, piece of ground, etc, into a hollow beneath it; subsidence

  2. the site of such a collapse, as at a mine or tunnel

  3. informal an instance of yielding completely, esp under pressure

"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
cave in Idioms  
  1. Fall in, collapse, as in The earthquake made the walls cave in . [Early 1700s]

  2. Give in, admit defeat, as in The prosecutor's questions soon made the witness cave in . [Early 1800s]

  3. Collapse, faint, or die from exhaustion, as in After a twenty-mile hike I caved in . [Mid-1800s]


Etymology

Origin of cave-in

First recorded in 1700–10; noun use of verb phrase cave in

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:

The shoddy construction, Slepcevic said, made it difficult for rescuers trying to access tight spaces filled with debris, the danger of a cave-in ever present.

From The Wall Street Journal Jul. 9, 2026

And they do not suggest massive subsidence or a cave-in of the mountain.

From BBC Jun. 25, 2025

However, according to a Newsweek article that comprehensively details the changes, it appears more likely that rights issues from Fox 5 in Atlanta were the issue, not a political cave-in.

From Washington Times Jul. 26, 2023

Short of a complete cave-in between now and the Aug. 1 trade deadline, the Angels can’t trade Ohtani.

From Los Angeles Times Jul. 22, 2023

He found no sign of a cave-in, but there were no lights.

From "The City of Ember" by Jeanne DuPrau

Mr. Huling describes a cave in Florida that was walloped by a powerful, once-in-a-century hurricane, drowning almost all of the 4 million bats inside.

From The Wall Street Journal Jun. 19, 2026

The series of 10 red horizontal stripes was first found on the wall of a side chamber of Bacon Hole cave in Gower, Swansea, in 1912, before being dismissed years later as a natural phenomenon.

From BBC Jun. 1, 2026

Blasted into 1.9 billion-year-old stable bedrock in Eurajoki, southwest Finland, the geological repository for spent nuclear waste -- dubbed Onkalo which means "cave" in Finnish -- is nearly ready to start operations.

From Barron's Jun. 1, 2026

Then the stage lit up to show a carved-out cave in a cliffside, housing an absolutely killer all-femme backing band in the grotto and a full company of dancers in every hue of the Americas.

From Los Angeles Times Apr. 13, 2026

Nim yelled—so loud and so often that Fred went to sulk in his cave in case it was his fault.

From "Nim’s Island" by Wendy Orr

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