cosmic

adjective

cos·​mic ˈkäz-mik How to pronounce cosmic (audio)
variants or less commonly cosmical
Synonyms of cosmicnext
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
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In the piece, the Vicar of Christ is felled not by his oppressors but rather by a random cosmic event. Brian Boucher, ARTnews.com, 16 Apr. 2026 These more piecemeal estimates have informed large-scale cosmic simulations that model the growth and evolution of galaxies. Lee Billings, Scientific American, 16 Apr. 2026 If your unable to view comet C/2025 R3, sky watchers can prepare for two cosmic spectacles this spring. Janet Loehrke, USA Today, 15 Apr. 2026 Staring up at a nearly six-story-tall screen, witnessing a unique planetary event, itself the product of a remarkable cosmic coincidence, unique to our place and position within the solar system, is an exceptional experience. Mia Galuppo, HollywoodReporter, 15 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Cosmic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic. Accessed 23 Apr. 2026.

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

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