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Dictionary-enhanced plural guide

What is the Plural of “Apex”?

Learn the singular and plural noun forms, the rule behind the plural, and examples that show the form in context.

SingularapexPluralapexes
Rule: regularIPA: /ˈeɪpɛks/

Singular and Plural Form of Apex

Apex is the singular noun form. Apexes is the plural form.

Dictionary meaning: The highest or topmost point of something, whether physical or abstract. A summit or peak.

Why is the Plural of Apex “apexes”?

The Regular Plural Rule for Apex

Words ending in s, x, z, ch, or sh add -es to form the plural. Example: apex → apexes

Plural pattern: regular.

How to Remember the Plural of Apex

Just add -s to “apex” to make “apexes”. Most English nouns follow this pattern.

A common slip-up: Pronouncing as 'app-ex' with stress on the second syllable is incorrect..

Singular vs Plural Examples with Apex

See apex and apexes used in real sentences side by side.

  • The apex of the pyramid is covered in gold leaf and visible from miles away. B2
  • She reached the apex of her career when she became CEO at forty. C1
  • The apex of the mountain offers stunning views of the surrounding landscape. B1

Common Plural Mistakes with Apex

Wrong: The apices of the buildings are all the same.

Correct: The apexes of the buildings vary in height and design.

Apexes is the standard modern plural; apices is archaic or technical.

How to Pronounce Apex and Apexes

Pronounced AY-peks with primary stress on the first syllable. The second syllable is unstressed and brief.

Other Words With the Same Plural Pattern as Apex

These nouns follow the same regular rule. Click any word to see its plural page.

Origin and Etymology of Apex

From Latin apex (peak, summit, pointed end). Used historically to describe the top of objects.

Frequently Asked Questions About the Plural of Apex

What is the plural of “apex”?

The plural of “apex” is “apexes”.

Is “apexes” regular or irregular?

This page classifies it as regular based on the available plural data.

Explore “Apex” in Other Tools