Dictionary.com
Thesaurus.com
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.

Yes, critics called it a cave-in.

From Barron's

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

From BBC

“Combining this freshly loosened powder with the practically unheard of levels of precipitation created a significant increased risk of cave-in,” the lawsuit said.

From Los Angeles Times

The cave-in happened around 3:30 a.m.

From Seattle Times

Authorities have not said what caused the cave-in but the region is prone to landslides, earthquakes and floods.

From Reuters