galactic

adjective

ga·​lac·​tic gə-ˈlak-tik 

1

: of or relating to a galaxy and especially the Milky Way galaxy

2

: huge

a galactic sum of money

Synonyms of galactic

• vast
• giant
• huge
• gigantic
• massive
• tremendous
• enormous
• colossal
• astronomical
• cosmic
• mammoth
• bumper
• immense
• monumental
• planetary
• titanic
• mountainous
• monster
• oceanic
• grand

Examples of galactic in a Sentence

a galactic serving of soda that would have been enough for three moviegoers

Recent Examples on the Web

But the galactic theme is carried out through its jet-black ceiling and tile floors. —Kansas City Star, 26 Nov. 2025

Still, because of these findings, s astronomers have since calculated that all large galaxies are embedded within vast haloes of dark matter that expand way beyond the limits of visible matter in galaxies (such as galactic haloes of stars). —Robert Lea, Space.com, 25 Nov. 2025

The horizontal gray bar in the central region corresponds to the galactic plane area, which was excluded from the analysis to avoid strong astrophysical radiation. —Denise Chow, NBC news, 25 Nov. 2025

As the second largest and most accessible International Dark Sky Preserve in the world, Jasper’s galactic light show has few comparisons. —Crai S Bower, Outside, 24 Nov. 2025

Word History

Etymology

borrowed from New Latin galacticus (taken as derivative of Galaxias "Milky Way"), borrowed from Greek galaktikós "milky," from galakt-, gála "milk" + -ikos -ic entry 1 — more at galaxy

First Known Use

1839, in the meaning defined at sense 1

Rhymes for galactic

• climactic
• didactic
• syntactic
• anaphylactic
• extragalactic
• intergalactic
• stereotactic
• chemotactic
• chiropractic
• isotactic
• prophylactic
• lactic

Kids Definition

galactic

adjective

ga·​lac·​tic gə-ˈlak-tik 

: of or relating to a galaxy