- Astronomy. the point on the celestial sphere directly beneath a given position or observer and diametrically opposite the zenith.
- Astrology. the point of a horoscope opposite the midheaven: the cusp of the fourth house.
- the lowest point; point of greatest adversity or despair.
Origin of nadir
Synonyms for nadirSee more synonyms for on Thesaurus.com
Examples from the Web for nadir
Contemporary Examples of nadir
The stock market has gone nuts, more than doubling since its March 2009 nadir.Why Didn't Obama Tout How Great the Economy Is Doing?
January 29, 2014
Worse even than what I consider his nadir thus far, the 2011 debt-ceiling fiasco.Will Obama Learn the Right Lesson From the Summers Debacle?
September 18, 2013
At its nadir, on September 4, 2012, Facebook closed below $18.Facebook Stock Pushes Above $40
August 23, 2013
The debt debacle of 2011 was far and away the nadir of his first term.Michael Tomasky on Obama’s Republican Revenge Over the Debt Limit
December 1, 2012
However, the nadir of his married life was when Rather just barely remembered to call his wife on her birthday.10 Revelations from ‘Rather Outspoken’ Autobiography
April 28, 2012
Historical Examples of nadir
They were written at the time when the Imperial spirit was at its nadir.Lord Milner's Work in South Africa
W. Basil Worsfold
The nadir is the lowest point in the heavens and the zenith is the highest.Keats: Poems Published in 1820
The sun does not spring at once from the nadir to the zenith.
It is also on record that Nadir Shah took guns as far as Saighan.The Gates of India
Such were the counsels of the sage; and Nadir departed to begin life.Popular Tales
- the point on the celestial sphere directly below an observer and diametrically opposite the zenith
- the lowest or deepest point; depthsthe nadir of despair
Word Origin for nadir
late 14c., in astronomical sense, from Medieval Latin nadir, from Arabic nazir "opposite to," in nazir as-samt, literally "opposite of the zenith," from nazir "opposite" + as-samt "zenith" (see zenith). Transferred sense of "lowest point (of anything)" is first recorded 1793.
- The point on the celestial sphere that is directly below the observer (90 degrees below the celestial horizon). Compare zenith.