rock bottom
The very lowest possible level.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“He hit rock bottom after losing his job.”
“After months of failing to pay his bills, he realized he had finally hit rock bottom.”
“The company hit rock bottom following the scandal, forcing the board to replace the entire leadership team to avoid total collapse.”
The term derives from the geological substratum of the seafloor, specifically the solid rock layer situated beneath the loose sand. The image is one of terminal descent, where further downward movement is obstructed by the density of the earth.
- 01
bet one's bottom dollar
To be absolutely sure of something; to be certain enough of something to wager everything.
- 02
bottom dollar
The last of one's money; all of one's money.
- 03
bottom fishing
Buying, or seeking opportunities to buy, investment securities or other valuable properties at a time when markets are depressed and prices are low.
- 04
bottom line
The summary or result; the most important information.
- 05
bottom of the line
The worst or lowest quality on the market, especially among a range of products.
- 06
bottom of the ninth
By extension, any last chance or final opportunity.
- 07
bottom out
Of a vehicle, to touch or drag along the ground or other surface.
- 08
bottom the house
To clean a house from top to bottom; to clean a house extremely thoroughly.
Last updated August 10, 2026