The term 'As Low As You Can Go' can be summarized by two crossword solutions: NADIR (5 letters) and ROCKBOTTOM (10 letters). NADIR is derived from the Arabic word for 'lowest point' and is used to describe the lowest point of something, such as a person's fortunes or the lowest point in a graph. ROCKBOTTOM is a phrase used to describe the absolute lowest point, the bottom of the barrel, or the worst possible situation.