Dictionary

noun

Definitions

1. The point in the sky vertically above a given position or observer; the point in the celestial sphere opposite the nadir.

   Antonyms:nadirperigee

2. The highest point in the sky reached by a celestial body.

3. (by extension) Highest point or state; peak.

   Example: Winning the continental championship was the zenith of my career.

   Synonyms:acmeapogeeculminationpinnacle