Liberal Dictionary English Dictionary
adjective
- at the lowest possible limit or level; extremely low: rock-bottom prices.
noun
- the very lowest level: He went bankrupt and touched rock bottom.
noun
-
- the lowest possible level
- (as modifier)rock-bottom prices
“lowest possible,” 1884, from noun (1815), from rock (n.1) + bottom (n.).
The lowest possible level, absolute bottom, as in Wheat prices have reached rock bottom. This idiom alludes to the presence of bedrock that prevents digging farther down. [Late 1800s]