Definition of nadir in English:


Line breaks: nadir
Pronunciation: /ˈneɪdɪə
, ˈnadɪə/


[in singular]
  • 1The lowest or most unsuccessful point in a situation: asking that question was the nadir of my career
    More example sentences
    • Getting out of that situation was the absolute nadir of my barefaced lying career.
    • I think our dual roles reached a nadir one morning when she watched me get out of the bath.
    • Once, the prince of misery's career reached such a dramatic nadir one scathing reviewer branded him a ‘boring old drone’.
    the lowest point, the all-time low, the lowest level, low-water mark, the bottom, as low as one can get, rock-bottom, the depths; zero
    informal the pits
  • 2 Astronomy The point on the celestial sphere directly below an observer. The opposite of zenith.
    More example sentences
    • If a planet culminates, sets or is on the nadir at the same time that a star occupies one of the sacred earth-generated angles, then that star walks with that planet.


late Middle English (in sense 2): via French from Arabic naẓīr (as-samt) 'opposite (to the zenith)'.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space