"At the nadir" is a phrase that describes a low point or a bottom. Synonyms for this phrase include "rock bottom," "the bottom of the barrel," "the lowest point," "the depths," and "the pits." All of these terms describe a situation or a feeling of being at the absolute lowest point. They can be used to describe anything from personal struggles to global issues. When someone is at the nadir, it can be difficult to see a way out; however, knowing that there are synonyms to describe this state can help people understand that it is a common experience and that there is hope for improvement.