cosmic

adjective

cos·​mic ˈkäz-mik How to pronounce cosmic (audio)
variants or less commonly cosmical
Synonyms of cosmicnext
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 latter is an entirely new class of cosmic objects in the early universe that appear to have disappeared before the cosmos was around 2 billion years old. Robert Lea, Space.com, 15 Jan. 2026 The journey through nine cosmic installations, from the multimedia entertainment studio Moment Factory, takes about an hour to complete. Travis Pinson, Dallas Morning News, 15 Jan. 2026 For fledgling photographer Kristian Pederson, the antidote to this schism is a cosmic dose—a Faustian dose—of self-confidence. Literary Hub, 14 Jan. 2026 The result is both the band’s most experimental and cohesive record to date, a mass of cosmic krautrock, dreary ambient synths, and eerie avant-garde touches that guarantee any conventional song structure or form could never take root. David Glickman, Pitchfork, 14 Jan. 2026 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 22 Jan. 2026.

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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