nadir
1. [ noun ] an extreme state of adversity; the lowest point of anything
Synonyms: low-water_mark
Related terms: adversity
2. [ noun ] (astronomy) the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
Related terms: zenith celestial_point celestial_sphere
Similar spelling:   Nader
  nature
  Natera
  natter