ga·​lac·​tic | \ gə-ˈlak-tik How to pronounce galactic (audio) \

Definition of galactic

1 : of or relating to a galaxy and especially the Milky Way galaxy
2 : huge a galactic sum of money

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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

The x-rays produced by an AGN ionize clouds of hydrogen gas in the galactic bulge around it, setting them aglow at particular frequencies that produce distinct peaks in the galaxy’s spectrum. Daniel Clery, Science | AAAS, "Discovery of middleweight black holes could explain origin of million-solar-mass monster," 30 May 2018 There is a mysterious abundance of high-energy gamma-rays at the Milky Way's core, also known as the galactic bulge. Samantha Mathewson,, "Mysterious Milky Way Signal Comes from the Past, Not Dark Matter," 13 Mar. 2018 This come just weeks after general relativity was proven right on a galactic scale for the first time. James Geach, Scientific American, "Triple-Star Test Shows Einstein Was Right, Again," 5 July 2018 In 2016, scientists discovered a massive floating object in our galactic neighborhood. Laura Yan, Popular Mechanics, "This Massive "Rogue" Planet is Our Solar Neighbor," 11 Aug. 2018 These objects are called quasars, or active galactic nuclei. Elizabeth Howell,, "The Stuff Falling into This Black Hole Is Moving at Almost 56,000 Miles a Second!," 25 Sep. 2018 In galactic terms, light has built up a trivially small lead over our LHC protons. John Timmer, Ars Technica, "Why things can look like they’re moving faster than light," 9 Sep. 2018 The trend still plays on galactic colors, like purples, blues, and pinks (along with metallic neutrals) but in a sheer, subtle way more likely to be featured on Glossier's Instagram than your teen cousin's favorite YouTuber. Rachel Nussbaum, Glamour, "This Dreamy Fall Trend Is Like Unicorn Makeup's Cooler Older Sister," 19 Sep. 2018 Type Ia explosions also create and disperse heavy elements (including the iron in the hemoglobin running through our veins), and so play crucial roles in studies of galactic evolution. Shannon Hall, Scientific American, "The Milky Way's Speediest Stars Could Solve a 50-Year-Old Mystery," 9 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'galactic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of galactic

1839, in the meaning defined at sense 1

History and Etymology for galactic

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

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Statistics for galactic

Last Updated

10 May 2019

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Time Traveler for galactic

The first known use of galactic was in 1839

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More Definitions for galactic


ga·​lac·​tic | \ gə-ˈlak-tik How to pronounce galactic (audio) \

Kids Definition of galactic

: of or relating to a galaxy galactic light

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More from Merriam-Webster on galactic

Rhyming Dictionary: Words that rhyme with galactic

Thesaurus: All synonyms and antonyms for galactic

Spanish Central: Translation of galactic

Nglish: Translation of galactic for Spanish Speakers

Britannica English: Translation of galactic for Arabic Speakers

Comments on galactic

What made you want to look up galactic? Please tell us where you read or heard it (including the quote, if possible).


a sum of money that is sent as a payment

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