Synonyms of apices

Noun

1. vertex, peak, apex, acme, extreme point, extreme, extremum

usage: the highest point (of something); "at the peak of the pyramid"

2. apex, solar apex, apex of the sun's way, celestial point

usage: the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars

Definition and meaning of apices (Dictionary)