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

• astronomical
• astronomic
• Brobdingnagian
• bumper
• colossal
• cosmic
• cosmical
• cyclopean
• elephantine
• enormous
• gargantuan
• giant
• gigantesque
• gigantic
• grand
• herculean
• heroic
• heroical
• Himalayan
• huge
• humongous
• humungous
• immense
• jumbo
• king-size
• king-sized
• leviathan
• mammoth
• massive
• mega
• mighty
• monster
• monstrous
• monumental
• mountainous
• oceanic
• pharaonic
• planetary
• prodigious
• super
• super-duper
• supersize
• supersized
• titanic
• tremendous
• vast
• vasty
• walloping
• whacking
• whopping

Examples of galactic in a Sentence

a galactic serving of soda that would have been enough for three moviegoers

Recent Examples on the Web

Rather than surrendering to the usual sequel slump, The Empire Strikes Back builds upon the sturdy framework of its forerunner and ventures into more personal, complex storytelling while scaling down its galactic scope. —Devan Coggan, EW.com, 22 May 2024

The Milky Way’s halo is a cloud of stars that encompass all of our galaxy’s main galactic disk. —Laura Baisas, Popular Science, 15 May 2024

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

Kids Definition

galactic

adjective

ga·​lac·​tic gə-ˈlak-tik 

: of or relating to a galaxy