nadir

The lowest point in the fortunes of a person or organization; (astronomy) the point directly below an observer.

• (no common derivatives)

• reach a nadir
• hit a nadir
• the nadir of
• absolute nadir

1. 1.The company's stock price hit its nadir during the financial crisis of 2008. (lowest point)
2. 2.His career reached its nadir when he was fired and blacklisted from the industry. (worst moment)

• low point /ˌləʊ ˈpɔɪnt/ (worst moment)
• bottom/ˈbɒtəm/— lowest position
• trough/trɒf/— lowest point in a cycle

from Arabic "naẓīr" = opposite (to the zenith) — the point opposite the highest point in the sky