Plainly
look up a word, understand it — no rabbit hole
zenith
nounZEE-nith
meaning in plain English
The highest point directly above you in the sky, like when the sun is right over your head at noon.
Picture a kite at its zenith, the highest spot in the sky, like the sun right over your head at noon.
for example
At the zenith of his career, the scientist won the biggest prize in her field.
Imagine standing in an open field at midday—when the sun is straight up, that’s the zenith. Why does it matter? Because after that, everything starts moving downward, just like how the best moments in life often feel like they can’t last.