cave in
[verb]
Synonyms: collapse, break down, drop, flake out, give out, peg out, succumb, wilt

[TahlilGaran] English Synonym Dictionary ▲

cave in phrasal verb (see also cave)

1. if the top or sides of something cave in, they fall down or inwards
cave in on
The roof of the tunnel caved in on them.

2. to finally stop opposing something, especially because someone has persuaded or threatened you
cave in to
The chairman is expected to cave in to pressure from shareholders.

[TahlilGaran] Dictionary of Contemporary English ▲

ˈcave-in noun [countable]

1. when the roof of something such as a mine falls in

2. when someone stops opposing something

[TahlilGaran] Dictionary of Contemporary English ▲

cave in
cave in (to (someone/something))
to agree to something after originally opposing it.
If the pressure from your parents becomes too strong, you might cave in and go to graduate school.

Etymology: based on the literal meaning of cave in (= to suddenly fall inward)

[TahlilGaran] English Idioms Dictionary ▲

cave in
to weaken and be forced to give something up
The company caved in to the union's demand for more money.

[TahlilGaran] English Idioms Dictionary ▲

cave in
v.
1. To fall or collapse inward.
The mine caved in and crushed three miners.
Don't climb on that old roof. It might cave in.
2. informal To weaken and be forced to give up.
The children begged their father to take them to the circus until he caved in.
After the atomic bomb, Japan caved in and the war ceased.

[TahlilGaran] English Idioms Dictionary ▲