cosmic

adjective

cos·​mic ˈkäz-mik How to pronounce cosmic (audio)
variants or less commonly cosmical
1
a
: of or relating to the cosmos, the extraterrestrial vastness, or the universe in contrast to the earth alone
cosmic radiation
b
: of, relating to, or concerned with abstract spiritual or metaphysical (see metaphysical sense 2) ideas
cosmic wisdom
2
: characterized by greatness especially in extent, intensity, or comprehensiveness
a cosmic thinker
a book of cosmic significance
cosmically adverb

Examples of cosmic in a Sentence

The discovery caused a cosmic shift in people's views of the world. predicted that the war would forever be regarded as a cosmic error
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.
Blue Ghost is carrying 10 NASA experiments on board, including a drill to measure lunar heat flow, an instrument to collect rock samples and an X-ray imager to study how Earth's magnetic field is impacted by cosmic forces such as solar wind. Joe Hernandez, NPR, 2 Mar. 2025 As for cosmic weather, March 2 will be quite dreamy, optimistic and social. Kyle Thomas, People.com, 2 Mar. 2025 The cosmic coincidence had the Warriors’ official social media accounts declaring Feb. 27 as Stephen Curry Day. Danny Emerman, The Mercury News, 28 Feb. 2025 Researchers have already estimated this cosmic flux by measuring the amount of light generated by representative samples of galaxies. Meghan Bartels, Scientific American, 28 Feb. 2025 See All Example Sentences for cosmic

Word History

Etymology

Greek kosmikos, from kosmos order, universe

First Known Use

1685, in the meaning defined at sense 1a

Time Traveler
The first known use of cosmic was in 1685

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Cite this Entry

“Cosmic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic. Accessed 12 Mar. 2025.

Kids Definition

cosmic

adjective
cos·​mic ˈkäz-mik How to pronounce cosmic (audio)
1
: of or relating to the cosmos
cosmic theories
2
: extremely vast : grand
cosmic dimensions

More from Merriam-Webster on cosmic

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