| the very lowest level: He went bankrupt and touched rock bottom. |

| rock bottom n. The lowest possible level or absolute bottom: Prices have hit rock bottom. rock'-bot'tom (rŏk'bŏt'əm) adj. |
rock bottom
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rock bottom
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]