The rock-bottom foundation on which my tradition stands is George Orwell.
The country was at the rock-bottom point of its worst economic crisis in the lifetimes of every one of the men in that room.
Despite the rock-bottom price, he was able to negotiate the seller down to $50.
At the lowest level or part, esp in price: rock-bottom prices on Easter stuffnoun
The lowest level or part: hit rock bottom last week