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

The gas, stars and dust in the Milky Way galaxy, for example, are all rotating around the galactic center. —Keith Cooper, Space.com, 4 Dec. 2025

The film builds to a space battle of galactic proportions that pits the Sith and the Jedi against each other in a final confrontation that brings an entire galaxy of characters together on screen. —Katie Rife, Entertainment Weekly, 30 Nov. 2025

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

Gamma-ray intensity map spanning about 100 degrees in the direction of the galactic center. —Denise Chow, NBC news, 25 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