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 team cites the cosmic horror vibes of movies like Prometheus and the encroaching threat of intimidating enemies such as the Zerg from StarCraft as key inspirations for the game world. David Jagneaux, Forbes.com, 23 May 2025 Since the light from the cosmic joust took over 11 billion years to reach the instruments, the battle took place when the Universe was about 18 percent of its current age. Paul Smaglik, Discover Magazine, 21 May 2025 Harness your cosmic potential now because blessings could still materialize for you! Kyle Thomas, People.com, 18 May 2025 This isn't the first time such a cosmic correction has been made, but there was a particular sense of urgency about this one because NASA was facing a target that, if missed, could have meant the end of the mission. David Szondy, New Atlas, 18 May 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 1 Jun. 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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