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 team now intends to match their observations of these galaxies using simulations of galactic growth and metal enrichment. —Robert Lea, Space.com, 20 Jan. 2026

The Stardust Treats dessert parlor will satisfy your galactic sweet tooth while Satellite Bites will serve up burgers and fries. —Brady MacDonald, Oc Register, 16 Jan. 2026

Next, the team hopes to combine these observations with higher-resolution data and simulations to follow the gas even closer to the galactic core. —Rupendra Brahambhatt, Interesting Engineering, 10 Jan. 2026

From naval fighter jets to galactic starfighters, Tom Cruise is mastering another Hollywood trade. —Glenn Garner, Deadline, 8 Jan. 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