metagalaxy

noun

meta·gal·axy ˌme-tə-ˈga-lək-sē

: the entire system of galaxies : universe

metagalactic

ˌme-tə-gə-ˈlak-tik

adjective

Word History

Etymology

meta- + galaxy, after earlier metagalactic

First Known Use

1930, in the meaning defined above

Time Traveler

The first known use of metagalaxy was in 1930

See more words from the same year

Browse Nearby Words

metafiction

metagalaxy

metagastric

See all Nearby Words

Cite this Entry

Style

“Metagalaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metagalaxy. Accessed 28 May. 2025.

Copy Citation

More from Merriam-Webster

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

fiasco

Listen to the pronunciation of fiasco

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

Commonly Misspelled Words

'Affect' vs. 'Effect'

Using Bullet Points ( • )

Words You Always Have to Look Up

Democracy or Republic: What's the difference?

Popular in Wordplay

Flower Etymologies For Your Spring Garden

How 'Namaste' Entered The English Language

Possum vs. Opossum: Is There a Difference?

'Za' and 9 Other Words to Help You Win at SCRABBLE

8 Words for Lesser-Known Musical Instruments

Popular

Commonly Misspelled Words

Flower Etymologies For Your Spring Garden

How 'Namaste' Entered The English Language