ZENITH

A. Acme

B. Top

C. Nadir

D. Pinnacle

Answer: Option C

Solution(By Examveda Team)

ZENITH : highest point.
Acme : zenith.
Top : the highest or uppermost point.
Nadir : the lowest or most unsuccessful point in a situation.
Pinnacle : the most successful point.


Antonym of ZENITH is Nadir.