1. the highest point or peak of something; the time of greatest success or achievement
2. the point in the sky directly overhead
Usage: astronomy

Examples

• The company reached its zenith in the 1990s.
• Her career was at its zenith when she won the award.
• The Roman Empire was at its zenith under Emperor Trajan.
• The sun reaches its zenith at noon.
• At the zenith of his power, the king controlled vast territories.
• The star appeared directly at the zenith above us.
• The team’s performance hit its zenith during the championship game.