nadirs

/ˈneɪ.dɪrz/

NOUN

1. The lowest points or periods of greatest decline

Plural of nadir; the lowest points reached by something, especially periods of extreme difficulty, failure, depression, or deterioration.

Used to describe the worst stages of someone's fortunes, career, performance, reputation, or personal circumstances.

The fortunes of the once-thriving company experienced multiple nadirs before a successful recovery.
Despite the team's efforts, they couldn't avoid the nadirs of the season, facing consecutive losses.
The artist's career had its share of highs and lows, with certain periods marked by creative nadirs.
The economic recession led to the country's financial nadirs, impacting businesses and households alike.

Used to refer to the lowest parts or deepest positions of physical structures, spaces, or geographical features.

NOUN

Plural of nadir; points on the celestial sphere directly beneath observers, opposite their respective zeniths.

Used in astronomy and navigation to identify the points on the celestial sphere directly below observers, opposite the zenith.

The astronomer explained how the nadirs and zeniths define opposite directions in the celestial sphere.
The navigation system calculated the observers' nadirs using their respective vertical reference points.
The positions of the nadirs were considered when determining the celestial coordinates.