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
Synonyms of cosmic
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
Early on in cosmic history, the Universe was composed primarily of hydrogen and helium, as no substantial quantities of heavier elements were formed during the early stages of the hot Big Bang.
—
Big Think, 6 Feb. 2026
One designed for lunar surface operations must protect astronauts from perilous cosmic radiation, extreme temperatures, lung-clogging moon dust and the harsh vacuum of space.
—K. R. Callaway, Scientific American, 5 Feb. 2026
The fact that these events are responsible for the creation of some of our most precious and important elements, as well as bright cosmic phenomena like GRBs and kilonovas, means there has been a heavy bias toward studying the aftereffects of neutron star mergers.
—Robert Lea, Space.com, 4 Feb. 2026
Its red rock buttes are said to house mysterious cosmic forces conducive to healing and self-exploration.
—Evie Carrick, Travel + Leisure, 4 Feb. 2026
See All Example Sentences for cosmic
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Big Think, 6 Feb. 2026
One designed for lunar surface operations must protect astronauts from perilous cosmic radiation, extreme temperatures, lung-clogging moon dust and the harsh vacuum of space.
—K. R. Callaway, Scientific American, 5 Feb. 2026
The fact that these events are responsible for the creation of some of our most precious and important elements, as well as bright cosmic phenomena like GRBs and kilonovas, means there has been a heavy bias toward studying the aftereffects of neutron star mergers.
—Robert Lea, Space.com, 4 Feb. 2026
Its red rock buttes are said to house mysterious cosmic forces conducive to healing and self-exploration.
—Evie Carrick, Travel + Leisure, 4 Feb. 2026
See All Example Sentences for cosmic
Cite this Entry
“Cosmic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic. Accessed 12 Feb. 2026.
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