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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Farrokhzad’s context is less social than cosmic. Richard Brody, New Yorker, 27 Mar. 2026 An actual cosmic void — which can indeed be a billion light-years (or more) across — has nothing to do with dark gas clouds and Bok globules, which are small, nearby clouds of light-blocking matter, particularly at optical wavelengths. Big Think, 26 Mar. 2026 Anne Hathaway versus cosmic dinosaurs? William Earl, Variety, 26 Mar. 2026 The indoor-outdoor space, playfully dubbed the Galactic Deck, is one of many otherworldly touches at the dazzling five-story office, where managers meet on meditation chairs, murals depict cosmic portals, and floors have names like Conscious Creators and Energy Engineers. Ingrid Abramovitch, Architectural Digest, 24 Mar. 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 29 Mar. 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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