Meaning of apex


When there’s no mountain left to climb and nothing but blue sky above, you know you’ve reached the highest peak — the apex.

Apex can mean the highest point in a literal sense, like climbing to the apex of the Eiffel Tower for a fabulous view of Paris. It also can be used to mean the highest point in a figurative sense. An actor who wins an Oscar can say she’s reached the apex of her career. If you’re describing more than one high point, you could add an -es to form the plural apexes, but apices would also be correct. And if you’re a botanist, you’d probably use apex to describe the tip of a flower or leaf.

Definitions of apex
  1. noun

    the highest point (of something)


    acme, peak, vertex

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    the part of a hat (the vertex) that covers the crown of the head
    roof peak

    the highest point of a roof
    type of:

    extreme, extreme point, extremum

    the point located farthest from the middle of something

  2. noun

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


    apex of the sun’s way, solar apex

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    the point opposite in direction from the solar apex; the point the solar system is moving away from
    type of:

    celestial point

    a point in the heavens (on the celestial sphere)

Word Family

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