cave in Meaning, Definition & Usage

  1. noun the sudden collapse of something into a hollow beneath it
    subsidence.
  2. verb break down, literally or metaphorically
    collapse; founder; give; give way; break; fall in.
    • The wall collapsed
    • The business collapsed
    • The dam broke
    • The roof collapsed
    • The wall gave in
    • The roof finally gave under the weight of the ice

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