galactic

adjective

ga·​lac·​tic gə-ˈlak-tik How to pronounce galactic (audio)
Synonyms of galacticnext
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.
This is your galactic permission slip to stay within your comfort zone for the time being. Tarot.com, Baltimore Sun, 4 Apr. 2026 The robot appears in the film at the info booth at the galactic weigh station as Mario, Luigi, and Yoshi frantically try to catch up with Peach. Nick Romano, Entertainment Weekly, 3 Apr. 2026 But unlike the easily predictable radiation exposures from flying through the Van Allen Belts or basking in the background flux of galactic cosmic rays, the dose an astronaut gets from solar activity can vary enormously. Meghan Bartels, Scientific American, 31 Mar. 2026 This also revealed a temperature of 45 million degrees Fahrenheit (25 million degrees Celsius) at M82's galactic center, with this heat generating pressure that pushes the winds outward, from high pressure to low pressure, just like the movement of winds through Earth's atmosphere. Robert Lea, Space.com, 31 Mar. 2026 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

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Cite this Entry

“Galactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactic. Accessed 5 Apr. 2026.

Kids Definition

galactic

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

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