Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

antapex

noun
ant·​apex
plural antapexes or antapices

Definition of antapex

: the point of the celestial sphere from which the solar system is moving — compare solar apex

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of antapex

1890, in the meaning defined above

History and Etymology for antapex

anti- entry 1 + apex

Keep scrolling for more

Learn More about antapex

Statistics for antapex

Look-up Popularity

Time Traveler for antapex

The first known use of antapex was in 1890

See more words from the same year

Comments on antapex

What made you want to look up antapex? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

obsequious

marked by fawning attentiveness

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games