1. the highest point or peak of something; the climax or culmination
2. the point in an orbit farthest from the earth
Usage: astronomy

Examples

• The Roman Empire reached its apogee under Emperor Trajan.
• Her career hit its apogee when she won the Nobel Prize.
• The Renaissance marked the apogee of artistic achievement in Florence.
• The satellite reaches apogee at 400 miles above Earth.
• At apogee, the moon appears smallest in the sky.
• The company’s success reached its apogee in the 1990s.
• The spacecraft will fire its engines at apogee to change orbit.