Apex definition

āpĕks
The highest point; the vertex.

The apex of a triangle; the apex of a hill.

noun
9
2
The highest level or degree that is attained.
noun
7
1
The highest point; peak; vertex.
noun
4
0
The highest point of interest, excitement, etc.; climax.
noun
4
2
The pointed end; tip.
noun
2
0
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The highest point, especially the vertex of a triangle, cone, or pyramid.
2
1
(mining) The edge or outcrop of a vein nearest the surface.
noun
1
0
The usually pointed end of an object; the tip.

The apex of a leaf.

noun
1
1
The definition of apex is the highest part of something.

The peak of a mountain is an example of its apex.

noun
0
0
(UK, trade union) Association of Professional, Executive, Clerical and Computer Staff.
initialism
0
0
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(aviation) Advanced Purchase Excursion (Air fare)
acronym
0
0

Other Word Forms

Noun

Singular:
apex
Plural:
apices, apexes

Origin of apex

  • Latin

    From American Heritage Dictionary of the English Language, 5th Edition