Search Result for "nadir": 
Wordnet 3.0

NOUN (2)

1. an extreme state of adversity; the lowest point of anything;
[syn: nadir, low-water mark]

2. the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected;


The Collaborative International Dictionary of English v.0.48:

Nadir \Na"dir\ (n[=a]"d[~e]r), n. [F., Sp., & It. nadir; all fr. Ar. naz[imac]ru's samt nadir, prop., the point opposite the zenith (as samt), in which naz[imac]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. [1913 Webster] 2. The lowest point; the time of greatest depression. [1913 Webster] The seventh century is the nadir of the human mind in Europe. --Hallam. [1913 Webster] Nadir of the sun (Astron.), the axis of the conical shadow projected by the earth. --Crabb. [1913 Webster]
WordNet (r) 3.0 (2006):

nadir n 1: an extreme state of adversity; the lowest point of anything [syn: nadir, low-water mark] 2: the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected [ant: zenith]
Moby Thesaurus II by Grady Ward, 1.0:

21 Moby Thesaurus words for "nadir": base, baseboard, basement, bedrock, bottom, chassis, dado, foot, footing, foundation, frame, keel, lower strata, lowest level, lowest point, mopboard, shoemold, sole, toe, underlying level, wainscot