nadir

[ ney-der, ney-deer ]
/ ˈneɪ dər, ˈneɪ dɪər /
SEE SYNONYMS FOR nadir ON THESAURUS.COM

noun

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

1350–1400; Middle English ≪ Arabic naẓīr over against, opposite to (the zenith)

SYNONYMS FOR nadir

3 bottom, floor, foot, depths.
SEE SYNONYMS FOR nadir ON THESAURUS.COM

OTHER WORDS FROM nadir

na·dir·al, adjective

WORDS THAT MAY BE CONFUSED WITH nadir

nadir zenith

Words nearby nadir

nadar, nader, nader, ralph, nadh, nadine, nadir, nadors, nadp, nadp+, nadph, nads

Words related to nadir

base, floor, bottom

Example sentences from the Web for nadir

British Dictionary definitions for nadir

nadir
/ (ˈneɪdɪə, ˈnæ-) /

noun

the point on the celestial sphere directly below an observer and diametrically opposite the zenith
the lowest or deepest point; depths the nadir of despair

Word Origin for nadir

C14: from Old French, from Arabic nazīr as-samt, literally: opposite the zenith

Scientific definitions for nadir

nadir
[ nā′dər ]

The point on the celestial sphere that is directly below the observer (90 degrees below the celestial horizon). Compare zenith.