- to collapse or fall
- The roof gave in under the weight of the snow.
- (idiomatic) to relent, yield, surrender or admit defeat
- I finally gave in and let him stay up to watch TV.
- Stop hitting me! I give in!
- OK, I don't know the answer. I give in.
- (of a pugilist) to droop the head
to collapse or fall
to relent or yield
of a pugilist: to droop the head