rock bottom

1.
General English (US, UK, Australia, Canada)neutralinformal
- The lowest possible level or point, especially of price, value, quality, or performance.
- The absolute minimum amount or rate; the lowest price or charge that can be offered.
2.
General English (US, UK, Australia, Canada)neutralinformal
- The worst or most desperate state or condition; the lowest point in someone's fortunes, mood, or circumstances.
- A figurative nadir from which recovery or improvement may begin (as in 'to hit rock bottom').

Examples: