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

Other experts aren’t necessarily convinced this announcement will change much inhe ta galactic game of chicken. — Mary Randolph, Scientific American, 15 Sep. 2026

Darkness turns to light and everyone leaves as peaceful galactic friends. — Jeff Spry, Space.com, 15 Sep. 2026

Standard galactic black holes are ringed by a thick doughnut of gas and dust, which can block most X-rays. — Quanta Magazine, 14 Sep. 2026

The agency released a new collection of 16 galactic images taken with the Chandra X-ray Observatory and other telescopes. — Popular Science Team, Popular Science, 3 Sep. 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