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

Article continues below Star clusters and dimmer nebulas are visible threaded through the galactic plane, while the Large Magellanic Cloud — a satellite galaxy of the Milky Way — appears as a hazy patch of light to the bottom right of the shot. —Anthony Wood, Space.com, 8 Apr. 2026

The likeliest explanation is that supermassive black holes attain their size when two smaller black holes smack into one another during a galactic collision. —Andrew Paul, Popular Science, 8 Apr. 2026

This is your galactic permission slip to stay within your comfort zone for the time being. —Tarot.com, Baltimore Sun, 4 Apr. 2026

The robot appears in the film at the info booth at the galactic weigh station as Mario, Luigi, and Yoshi frantically try to catch up with Peach. —Nick Romano, Entertainment Weekly, 3 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