rock bottom
noun/ˌrɒk ˈbɒtəm/
/ˌrɑːk ˈbɑːtəm/
[uncountable] (informal)- the lowest point or level that is possible
- Prices hit rock bottom.
- The marriage had reached rock bottom.
Check pronunciation:
rock bottom
Definition of rock bottom noun from the Oxford Advanced Learner's Dictionary