Zenith - point where most successful or powerful; the highest point
Zenith means the time or point at which something is at its most powerful or successful.
It also refers to the point on the celestial sphere directly above an observer.
To remember the definition of the word zenith, use the following mnemonic:
Zen (zenith) has to be practised at the top of the mountain.
Examples of zenith in a sentence
Her appointment as managing director was the zenith of her career.
At its zenith, the West End musical was playing to sell-out audiences at every performance.
The sun was at its zenith and the people on the beach covered up for fear of skin damage.