cave-in

Noun

cave-in (plural cave-ins)

1. The act of something collapsing or caving in.
   • We were warned away from the rickety old mine because of the danger of cave-ins.

   Synonyms:

   breakage, collapse, rockfall

2. The location where something has caved in.
   • We couldn't get past the cave-in blocking the tunnel.

   Synonyms:

   blockage, collapse, rockfall

3. (idiomatic) The act of relenting.
   • It was a cave-in, but I let my child have a candy to shut her up.

   Synonyms:

   acquiescence, consent, sellout