nadir NAY-der noun WS #28

the lowest point in the fortunes of a person or organization; the point on the celestial sphere directly opposite to the zenith and directly below the observer

1. At the nadir of her depression, she felt hopeless and unable to see any path forward.
2. The civilization's nadir occurred during the dark ages when knowledge and culture declined significantly.
3. The team's nadir came during their losing streak when they couldn't win a single game.
4. His career hit its nadir after the scandal destroyed his reputation and credibility.
5. The company reached its nadir during the economic recession when sales plummeted to record lows.