The phrase "bottom out" is often used to describe a situation where something reaches its lowest possible point. There are many synonyms that can be used to describe this type of situation, including: reach a trough, hit rock bottom, fall to a new low, reach a nadir, hit a basement, reach the lowest level, hit the floor, reach a low point, hit the bottom, and reach the bottom. Each of these phrases can be used to describe a situation where something has reached a low point, such as a stock market crash or a personal crisis. By using different synonyms, writers and speakers can vary their language and convey different shades of meaning.