WordReference Random House Learner's Dictionary of American English © 2026ze•nith /ˈzinɪθ/USA pronunciation
n. [countable]
- Astronomythe point in the sky directly above a given position or observer.
- the highest point or state;
peak:the zenith of his career.
WordReference Random House Unabridged Dictionary of American English © 2026ze•nith
(zē′nith or, esp. Brit., zen′ith),USA pronunciation n.
- Astronomythe point on the celestial sphere vertically above a given position or observer. Cf. nadir.
- a highest point or state;
culmination.
- Arabic samt road, incorrectly read as senit by medieval scribes (compare Arabic samt ar-rās road above (over) one's head, the opposite of nadir)
- Old Spanish zenit, scribal error for zemt
- Medieval Latin
- Middle English cenith 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers::
zenith /ˈzɛnɪθ; US: ˈziːnɪθ/ n - the point on the celestial sphere vertically above an observer
- the highest point; peak; acme: the zenith of someone's achievements
Compare nadirEtymology: 17th Century: from French cenith, from Medieval Latin, from Old Spanish zenit, based on Arabic samt, as in samt arrās path over one's head, from samt way, path + al the + rās headˈzenithal adj
'zenith' also found in these entries (note: many are not synonyms or translations):