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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.

Mr. Krivak suspensefully spaces out the events of the cave-in, interweaving them with the quiet drama of Ondro’s life as a survivor.

From The Wall Street Journal • Feb. 26, 2026

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

From BBC • Jun. 25, 2025

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

The initial cave-in of one of the pit’s walls struck at around 1:00 p.m.

From Washington Times • Feb. 23, 2023

Tad hollered as he got closer to the cave-in of desks and two-by-fours and tons of other junk that must have once been on the floor above this one.

From "Time Bomb" by Joelle Charbonneau

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