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Definition of galaxy

galaxy

/ˈɡæl.ək.si/
gal · ax · y
Plural:galaxies
•
Adjective:galactic
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galaxy Lexical Profile

galaxy Game Scores & Validity

• noun

1

A massive gravitationally bound system consisting of billions or trillions of stars, stellar remnants, interstellar gas, dust, and dark matter.

Example

"Astronomers used the space telescope to observe a distant spiral galaxy millions of light-years from Earth."

2

A large, impressive, or illustrious assemblage of notable people or things.

Example

"The annual charity gala attracted a dazzling galaxy of celebrated musicians, authors, and actors."

Synonyms
View all synonyms for galaxy

• Rhymes for galaxy

• Nearby Words

galapagos
galapagos land iguana
galapagos tortoise
galaxy
galdhopiggen
gale
galette

Word Origin & Etymology

Borrowed into Middle English via Old French and Medieval Latin from the Ancient Greek 'galaxias kyklos' ('milky circle'), derived from 'gala' ('milk'), originally referring specifically to the Milky Way.

Cite this Entry

Wordmom. (2026). Definition of Galaxy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/galaxy
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