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Meaning of nadir

na•dir

Pronunciation: (nā'dur, nā'dēr), [key]
— n.
  1. the point on the celestial sphere directly beneath a given position or observer and diametrically opposite the zenith.
  2. the point of a horoscope opposite the midheaven: the cusp of the fourth house.
  3. the lowest point; point of greatest adversity or despair.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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