FreeVocabulary
Zenith
/ˈziːnɪθ/ noun easyThe highest point or peak that something reaches, especially of success or power.
The empire reached its zenith in the second century before slowly declining.
Memory Trick
Astronomers use zenith for the point directly overhead in the sky, the literal highest point a star can reach -- a career at its zenith has climbed to that same overhead peak.