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

This region is referred to as an active galactic nucleus (AGN), and its bright emissions are seen on Earth as a quasar. —Robert Lea, Space.com, 17 Mar. 2026

The teaser features explosive glimpses of the galactic conflict that follows, as well as the internal battles that plague Paul. —Angelique Jackson, Variety, 17 Mar. 2026

The clouds of gas and dust surround the supermassive black hole at the galactic dead center. —Marcia Dunn, Los Angeles Times, 16 Mar. 2026

The public will have two opportunities to watch this galactic show. —Carlos Rico, San Diego Union-Tribune, 16 Mar. 2026

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