galactic

adjective

ga·​lac·​tic gə-ˈlak-tik How to pronounce galactic (audio)
1
: of or relating to a galaxy and especially the Milky Way galaxy
2
: huge
a galactic sum of money

Examples of galactic in a Sentence

a galactic serving of soda that would have been enough for three moviegoers
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These range from mapping various ices in and around our galactic neighborhood to tallying all the universe’s light over its history to even probing some of the first moments of time itself, shortly after the big bang. Meghan Bartels, Scientific American, 28 Feb. 2025 In the Milky Way’s galactic magnetic field, the force is so weak that a standard compass would be virtually useless. Jake Parks, Discover Magazine, 21 Feb. 2025 And don’t travel too far north; the galactic center is only visible below 55 degrees latitude—roughly Edmonton, Canada. Stephanie Vermillion, Outside Online, 13 Feb. 2025 Looking toward the galactic center thus amounts to looking at a vast band of stars—which is what the Milky Way looks like to the naked eye in a very dark sky. Jeffrey Kluger/greenbelt, TIME, 8 Feb. 2025 See All Example Sentences for galactic

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

Time Traveler
The first known use of galactic was in 1839

Browse Nearby Words

Cite this Entry

“Galactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactic. Accessed 14 Mar. 2025.

Kids Definition

galactic

adjective
ga·​lac·​tic gə-ˈlak-tik How to pronounce galactic (audio)
: of or relating to a galaxy

More from Merriam-Webster on galactic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!