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What is the Meaning of “Apex”?

Apex
/ˈeɪpɛks/
noun C1 Tier 4 (Top 10,000 words) formal

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

Definition of Apex

Quick Meaning of Apex

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

Detailed Definition of Apex

The top or highest point of something; the vertex or peak of a structure or achievement.

How to Pronounce Apex

IPA: /ˈeɪpɛks/
a pex

Stress pattern: Os (2-syllable word).

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

Watch out: Pronouncing as 'app-ex' with stress on the second syllable is incorrect.

Full pronunciation guide for “apex” →

Origin and Etymology of Apex

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

How to Use Apex in a Sentence

Each example shows “apex” with a CEFR level so learners can pick examples that match their fluency.

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

Synonyms and Antonyms of Apex

Common Synonyms for Apex

Smart Synonyms for Apex — When to Use Each

summit
For the physical top of mountains
pinnacle
For impressive career achievements
peak
For highest points in time

Antonyms of Apex

See all synonyms for “apex” →

Common Collocations with Apex

These phrases pair with “apex” in everyday English:

  • apex of the career
  • apex predator
  • at the apex
  • reach the apex
  • apex of power

Common Mistakes When Using Apex

Even fluent speakers slip up with “apex”. Here’s how to avoid the most common errors:

✗ Wrong: The apex is never reached in a successful career.
✓ Correct: Many people reach the apex of their careers at different ages.
Why: Apex is an achievable point, not something unreachable or impossible.
✗ Wrong: The apices of the buildings are all the same.
✓ Correct: The apexes of the buildings vary in height and design.
Why: Apexes is the standard modern plural; apices is archaic or technical.

Words Confused With Apex

  • Apex vs Apex vs. apices: Apices is the Latin plural, rarely used in modern English. Apexes is standard in contemporary usage.

Other Forms of Apex

Frequently Asked Questions About Apex

What is the meaning of "Apex"?

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

How do you pronounce "Apex"?

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

What part of speech is "Apex"?

"Apex" is a noun at C1 level (Common European Framework).

What are synonyms for "Apex"?

Common synonyms include peak, summit, top.

How do you use "Apex" in a sentence?

For example: "The apex of the pyramid is covered in gold leaf and visible from miles away."

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