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

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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 For researchers, its stark geological wonders contain detectable evidence of prehistoric shifts in the ability of Earth’s magnetic field to shield the planet’s surface from cosmic rays. Los Angeles Times, 19 July 2021 Since bursts give a window into the wreckage following these events, scientists can use them to track how the chemical composition of the universe has changed over cosmic time. Jonathan O'callaghan, Wired, 18 July 2021 The moon’s surface is pockmarked with craters, the relics of violent impacts over cosmic time. New York Times, 27 Apr. 2021 When looking outward, Hubble was also looking back in cosmic time. Marcia Bartusiak, WSJ, 5 Mar. 2021 Quickly tweaking them to spawn mega galaxies from the early eras of cosmic time is not easy either. Robin George Andrews, Scientific American, 27 Jan. 2021 It’s but one of the original album’s many cosmic charms. Washington Post, 9 July 2021 The cosmic membrane separating their lives from total public exposure seems so fragile. Bilge Ebiri, Vulture, 6 July 2021 Morty might be growing up, but has managed to retain much of his humanity, despite the cosmic horrors he’s been exposed to. Dani Di Placido, Forbes, 6 July 2021

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.

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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

24 Jul 2021

Cite this Entry

“Cosmic.” Dictionary, Merriam-Webster, Accessed 31 Jul. 2021.

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More Definitions for cosmic



English Language Learners Definition of cosmic

: of or relating to the universe or outer space
: relating to spiritual matters
: very large or important


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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