Definitions for: Nadir

[n] the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
[n] an extreme state of adversity; the lowest point of anything

Webster (1913) Definition: Na"dir, n. [F., Sp., & It. nadir; all fr. Ar.
nas[=i]ru's samt nadir, prop., the point opposite the zenith
(as samt), in which nas[=i]r means alike, corresponding to.
Cf. Azimuth, Zenith.]
1. That point of the heavens, or lower hemisphere, directly
opposite the zenith; the inferior pole of the horizon; the
point of the celestial sphere directly under the place
where we stand.

2. The lowest point; the time of greatest depression.

The seventh century is the nadir of the human mind
in Europe. --Hallam.

Nadir of the sun (Astron.), the axis of the conical shadow
projected by the earth. --Crabb.

Synonyms: low-water mark

Antonyms: zenith

See Also: adversity, celestial point, celestial sphere, empyrean, firmament, hardship, heavens, sphere, vault of heaven, welkin

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