What grade level is the word antapex?

The word antapex is typically considered a 13 level word in the US education system.

How common is the word antapex?

In terms of usage frequency, antapex is classified as a Rare word.

What is the CEFR level for antapex?

antapex has a Common European Framework of Reference (CEFR) level of C2.

Is antapex a Tier 1, Tier 2, or Tier 3 vocabulary word?

It is classified as a tier 3 word, meaning it is a highly specialized, subject-specific term primarily used in particular domains.

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Definition of antapex

antapex

/ˈæntˌeɪpɛks/

ant · a · pex

Plural:antapices

•

Adjective:antapical

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antapex Lexical Profile

CEFR

Grade

Tier

Usage

Rare

• noun

The point on the celestial sphere directly opposite to the solar apex, indicating the direction from which the solar system appears to be moving away relative to the local standard of rest.

Example

"Astronomers have calculated that the antapex of the Sun's motion lies within the constellation Columba."

Antonyms

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• Nearby Words

antapex

Word Origin & Etymology

Derived from the Greek prefix 'anti-' (opposite) combined with the Latin 'apex' (summit or peak). Coined in the context of positional astronomy.

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Wordmom. (2026). Definition of Antapex. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/antapex

antapex

antapex Lexical Profile

• noun

• Nearby Words

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