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 galactic duo are best viewed in May and can be spotted with the aid of binoculars, or a modest telescope from a dark sky location. —Anthony Wood, Space.com, 13 May 2026

The grandeur of fantasy at our fingertips, Mario’s essence blown up to galactic proportions, has yet to be rivaled. —Billie Bugara, Pitchfork, 9 May 2026

So the signal is absent, not because dark matter isn’t there but because the environment is different, lacking the galactic center’s gamma-ray-making prerequisities. —Paul M. Sutter, Scientific American, 6 May 2026

The public will have two opportunities to watch this galactic show. —Abby Hamblin, San Diego Union-Tribune, 29 Apr. 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