pinnacle
🇺🇸
/ˈpɪnəkl/
🇬🇧
/ˈpɪnəkl/
the highest or most successful point of something
Winning the championship was the pinnacle of her career.
a small pointed decoration on a building
The church's pinnacles could be seen from miles away.
a high, pointed rock at the top of a mountain
We stood at the base of the mountain, looking up at the pinnacle.