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.
The space telescope, which launched in 1999 aboard the Space Shuttle Columbia, continues to provide data allowing scientists to make new cosmic discoveries. Eric Lagatta, USA Today, 12 July 2025 Our view of the Summer Triangle will become all the more spectacular on the nights surrounding the new moon phase on July 24, at which time the bright ribbon of light from the Milky Way may be visible from dark sky areas, tumbling directly through the cosmic triangle. Anthony Wood, Space.com, 12 July 2025 By the late 1970s, his adventures had become wildly cosmic. Ekow Eshun july 11, Literary Hub, 11 July 2025 The sense of evil has nothing cosmic or metaphysical about it; there’s no grandeur and no wonder to Gunn’s universe and, although there’s much discussion of the defining quality of one’s actions and choices, the film’s superheroes seem thin, constrained, and undefined. Richard Brody, New Yorker, 10 July 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 15 Jul. 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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