K5Print Free printable worksheets for K–5

apex

  • noun
  • a·pex
  • /ˈeɪ.pɛks/

The highest or the greatest part of something, especially forming a point.

Other meanings

  1. The highest point in a plane or solid figure, relative to a base line or plane.

  2. The pointed fine end of something.

Synonyms

  • peak

Related words

  • apexcardiogram
  • apexcardiography
  • apexification
  • periapex
  • apex predator
  • apex court
  • base over apex
  • apexed
  • antapex
  • subapex
  • apex fallacy
  • orbital apex syndrome

Example sentences

  • “Cats are not apex predators.”

    Tatoeba · shekitten · CC0

Where this comes from

This definition is adapted from “apex” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.