galactic
Americanadjective
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Astronomy.
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of or relating to a galaxy.
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of or relating to the Milky Way.
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immense; huge; vast.
a problem of galactic proportions.
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Physiology. pertaining to or stimulating the secretion of milk.
adjective
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astronomy of or relating to a galaxy, esp the Galaxy
the galactic plane
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med of or relating to milk
Other Word Forms
- nongalactic adjective
Etymology
Origin of galactic
First recorded in 1830–40, galactic is from the Greek word galaktikós milky. See galact-, -ic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The forthcoming film will take place 17 years after the events of Dune: Part Two and follow the consequences of Paul Atreides' rise as galactic emperor.
From BBC • Mar. 18, 2026
This gravitational effect makes it difficult for stars to travel far outward from the galactic center.
From Science Daily • Mar. 13, 2026
Many of these stars also appear to occupy similar distances from the galactic center.
From Science Daily • Mar. 13, 2026
While the colder climate of space holds appeal for some backers of the galactic data-center vision, “there’s no airflow,” Huang noted, which could present challenges when it comes to dissipating heat.
From MarketWatch • Feb. 25, 2026
Then the galactic astronomers are out of business, the stars cool and die, matter itself decays and the universe becomes a thin cold haze of elementary particles.
From "Cosmos" by Carl Sagan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
