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
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
Our Universe may be full of stars, galaxies, and a cosmic web of large-scale structure, all separated by the vastness of empty space between them, but it wasn’t born that way.
—
Ethan Siegel, Big Think, 11 Sep. 2025
Cosmologists now argue the universe’s primordial magnetic fields were astonishingly weak, comparable to the brain’s tiny signals, yet still thread today’s cosmic web.
—Kaif Shaikh, Interesting Engineering, 11 Sep. 2025
In the 10 years since then, scientists have detected hundreds of black holes coming together, as well as other extreme cosmic events like neutron stars colliding and black holes merging with a neutron star.
—Nell Greenfieldboyce, NPR, 11 Sep. 2025
Just like Earth, our cosmic neighbor Mars sometimes has auroras dance across its night sky.
—Laura Baisas, Popular Science, 10 Sep. 2025
See All Example Sentences for cosmic
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Ethan Siegel, Big Think, 11 Sep. 2025
Cosmologists now argue the universe’s primordial magnetic fields were astonishingly weak, comparable to the brain’s tiny signals, yet still thread today’s cosmic web.
—Kaif Shaikh, Interesting Engineering, 11 Sep. 2025
In the 10 years since then, scientists have detected hundreds of black holes coming together, as well as other extreme cosmic events like neutron stars colliding and black holes merging with a neutron star.
—Nell Greenfieldboyce, NPR, 11 Sep. 2025
Just like Earth, our cosmic neighbor Mars sometimes has auroras dance across its night sky.
—Laura Baisas, Popular Science, 10 Sep. 2025
See All Example Sentences for cosmic
Cite this Entry
“Cosmic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic. Accessed 13 Sep. 2025.
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