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

Then there are the galactic quantities of hubris that underpin the penultimate sentence. —Jack Lang, New York Times, 16 May 2025

The nebula featured in Meyer's photo is much closer to Earth than the galactic duo, and is illuminated not by starlight from within, but solely by the ambient light of the Milky Way. —Anthony Wood, Space.com, 15 May 2025

Rich Ho wrote, directed and produced the film, which follows the journey of a struggling young pilot, Kai, and his fighter mecha, a giant humanoid robot named Little Dragon, set against a backdrop of epic galactic warfare. —Leo Barraclough, Variety, 13 May 2025

The announcement trailer revealed a story, set in an alternate history in which space travel progressed heavily by the year 1986, a factor that gives this galactic odyssey a retro-futuristic feel. —Nick Romano, EW.com, 12 May 2025

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