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

Synonyms of galactic

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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.
The impact excavated pristine materials from below the lunar surface that have escaped weathering from the solar wind, galactic cosmic rays, and micrometeorites. — Stephen Clark, ArsTechnica, 21 Aug. 2026 Remnant radio galaxies represent the final stage in the evolution of radio galaxies, at which point the jets from the galaxies' central regions, or active galactic nuclei (AGNs) powered by feeding supermassive black holes, have switched off. — Robert Lea, Space.com, 21 Aug. 2026 Space Mountain remains a symbol of optimism dedicated to the joy and unpredictability of galactic exploration. — Todd Martens, Los Angeles Times, 18 Aug. 2026 With Mundy involved, the series became akin to True Detective crossed with Green Lantern, grounding what is often a labyrinth storyline of galactic proportions. — Anthony D'alessandro, Deadline, 16 Aug. 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

Rhymes for galactic

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Browse Nearby Words

Galactia
galactic
galactic coordinate
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Cite this Entry

“Galactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactic. Accessed 1 Sep. 2026.

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Kids Definition

galactic

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