apex
/ˈeɪ.pɛks/
Proposed by a contributor, not yet supported by evidence.
Also seen as: apices · apexes
Sense 1
Meaning · English
The highest or the greatest part of something, especially forming a point.
Noun
Examples
the apex of the building
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The highest or the greatest part of something, especially forming a point. — The highest point in a plane or solid figure, relative to a base line or plane.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “apex” mean?
The highest or the greatest part of something, especially forming a point.
Is “apex” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.