apex
noun/ˈeɪpeks/
/ˈeɪpeks/
[usually singular] (plural apexes)
- the top or highest part of something
- the apex of the roof/triangle
- (figurative) At 37, she'd reached the apex of her career.
Word Originearly 17th cent.: from Latin, ‘peak, tip’.Want to learn more?
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