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

That makes this galactic trio bad news for MOND, or modified Newtonian dynamics, an alternative to dark matter proposed in 1983 by the physicist Mordehai Milgrom. — Quanta Magazine, 14 Oct. 2026

Players enlist as a rookie in the UEE Navy and embark on a dangerous journey through the galactic war. — Mya Copeland, Variety, 10 Oct. 2026

That's exactly what made the first season of The Mandalorian feel so special, and Galactic Racer hits that same stride by exploring a galactic underground racing ring, where a bunch of daredevils hurtle across planets while blowing each other up. — Hayes Madsen, Space.com, 2 Oct. 2026

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