- to fall for something, either literally or metaphorically
- to succumb to (pressure)
- to collapse
- admit defeat
- The building caved in by itself after being erect for almost 70 years.
- These days the houses cave in even before they are built. Such is the quality that is used today.
- I travelled on the flyover yesterday and it is in the news today for caving in.
- She caved into the offer way too early which is why she got the raw end of the deal.
- I caved in on my diet on the second day itself.
- She caved into the pressure from her parents to get married otherwise she would have still been going to the university today.
- I cave into the wishes of my children regardless of how much I decide to stand against them.
- Torrential rain led to caving in of dilapidated house.
- The roof caved in and only then did they vacate that house.
The 'caving in' phenomenon was common with mining sites and there were measures that were specifically placed in order to avoid the situation. The phrase has originated from mining sites and is currently used metaphorically although it can be literal too. The literary origin of this phrase could not be traced accurately.