apex
US /ˈeɪ.peks/
UK /ˈeɪ.peks/

1.
2.
Höhepunkt, Zenit
the highest point of achievement or success; the climax
:
•
His career reached its apex in the 1990s.
Seine Karriere erreichte ihren Höhepunkt in den 1990er Jahren.
•
The concert was the apex of the music festival.
Das Konzert war der Höhepunkt des Musikfestivals.