cos·​mic | \ ˈkäz-mik How to pronounce cosmic (audio) \
variants: or less commonly cosmical \ ˈkäz-​mi-​kəl How to pronounce cosmic (audio) \

Definition of cosmic

1a : 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

Other Words from cosmic

cosmically \ ˈkäz-​mi-​k(ə-​)lē How to pronounce cosmic (audio) \ 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 Their dispatches include valuable scientific data about interstellar magnetic fields, cosmic rays and plasma waves. Amy Hubbard, Los Angeles Times, 6 Sep. 2022 Clive Neal, a geologist at the University of Notre Dame who has studied lunar dust samples, says moon dust or rock may have an especially key role to play in shielding astronauts from radiation from cosmic rays and solar flares. Alex Fox, Smithsonian Magazine, 29 Aug. 2022 Your reputation is currently getting a cosmic boost, Sagittarius. Chicago Tribune, 5 Sep. 2022 The synchronicity of things -- with Jones taking the job at ASU and Blackman entering the transfer portal in Dec. 2020 -- was almost cosmic. Mitchell Gladstone, Arkansas Online, 2 Sep. 2022 The telescope will look at every phase of cosmic history, including the first glows after the big bang that created our universe and the formation of the galaxies, stars and planets that fill it today. Madeline Holcombe, CNN, 22 Aug. 2022 The telescope will explore every phase of cosmic history, NASA says. Anna Kaufman, USA TODAY, 12 July 2022 This is the source of the rift in cosmic history, the darkness where astronomers wander. Fabio Pacucci, Scientific American, 1 July 2022 Afterward, the revolutionary eye will begin peering back over 13.5 billion years of cosmic history. Washington Post, 11 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosmic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cosmic

1685, in the meaning defined at sense 1a

History and Etymology for cosmic

Greek kosmikos, from kosmos order, universe

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Last Updated

22 Sep 2022

Cite this Entry

“Cosmic.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2022.

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More Definitions for cosmic


cos·​mic | \ ˈkäz-mik How to pronounce cosmic (audio) \

Kids Definition of cosmic

: of or relating to the whole universe

More from Merriam-Webster on cosmic

Nglish: Translation of cosmic for Spanish Speakers

Britannica English: Translation of cosmic for Arabic Speakers

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