From Longman Dictionary of Contemporary Englishapogeeap‧o‧gee /ˈæpədʒiː/ noun [countable] formalSUCCESSFUL the most successful part of something SYN apex His political career reached its apogee in the 1960s.
Examples from the Corpus
apogee• At apogee its radial velocity reaches zero, so it once again has a purely horizontal velocity.• At any point on the ellipse between apogee and perigee a spacecraft will have both a horizontal and a radial velocity.• It reached its apogee in a 1924 speech to the Royal Society of St George.• At midnight on Friday, December 12,1919, that rocket reached its apogee.Origin apogee (1500-1600) French apogée, from Modern Latin apogaeum, from Greek, from apogaios “far from the earth”, from apo- ( → APOCALYPSE) + ge “earth” 