Often used metaphorically to describe a very low or unsuccessful period in life or business. The company's sales hit their nadir last April.
Pro Tip 2/3
Not Literal
'Nadir' in non-astronomy contexts doesn't refer to a physical location, but to an abstract sense of being very low. Her spirits reached their nadir during the court case.
Pro Tip 3/3
Emotional Weight
Carries a strong negative emotional weight, suggesting deep pessimism or failure. After the divorce, he was at the nadir of his emotional well-being.