| Answer | Crossword Clue |
|---|---|
| STRAIN | Cause of collapse |
| SPRINGBREAKDOWN | Cause of a mattress collapse? |
| PIER | ... pressure (cause of a jetty collapse) |
| miners | to dig under to gain access or cause the collapse of (an enemy position) |
| RUINATE | Cause a collapse |
| crumpled | cause to collapse |
| busted | Cause to collapse; defeat utterly |
| cave | to collapse or cause to collapse |
| imploding | Collapse or cause to collapse violently inward |
