also rock-bottom
1.
If something has reached ~, it is at such a low level that it cannot go any lower.
Morale in the armed forces was at ~...
N-UNCOUNT
2.
If someone has reached ~, they are in such a bad state or are so completely depressed that their situation could not get any worse.
She was at ~. Her long-term love affair was breaking up and so was she.
N-UNCOUNT
3.
A rock-bottom price or level is a very low one, mainly in advertisements.
What they do offer is a good product at a rock-bottom price.
ADJ: usu ADJ n approval