: something that holds a very large amount of something My brother's always hungry. His stomach is a bottomless pit.

Are there any bottomless pits?

Despite recurring outlandish claims, these turn out to be nothing more than urban legends, or hoaxes, upon closer inspection. It's true that there are plenty of deep holes that exist, but none are truly bottomless. In reality, even the deepest ones have never penetrated all the way down below the Earth's crust.

What is a bottomless pit stop?

Definition of 'bottomless pit'

If you describe a supply of something as bottomless, you mean that it seems so large that it will never run out. ... big supermarkets and multinationals with apparently bottomless pockets. Synonyms: unlimited, endless, infinite, limitless More Synonyms of bottomless pit.