Correct Answer:
C. Nadir
The correct antonym of 'Zenith' is Nadir. 'Zenith' refers to the highest point reached by a celestial body in the sky, or more generally, the point at which something is most powerful, successful, or prosperous; its peak or climax. It signifies the absolute top or apex.
Let's analyze the given options:
- A: Peak is a synonym of zenith, referring to the highest point.
- B: Top is also a synonym, indicating the uppermost part or position.
- C: Nadir is the direct opposite of zenith. It refers to the lowest point, especially in the fortunes of a person or organization, or the point directly opposite the zenith in the celestial sphere. It signifies a point of extreme adversity or the lowest ebb.
- D: Summit is another synonym, meaning the highest point of a hill or mountain, or a meeting between heads of government.
Therefore, 'Nadir' is the only option that represents the complete opposite of 'Zenith', making it the correct antonym.