cosmic

adjective

cos·​mic ˈkäz-mik How to pronounce cosmic (audio)
variants or less commonly cosmical
Synonyms of cosmic
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 sun dives into the zodiac sign of cancer, packing what will be an intense cosmic punch. Lisa Stardust, Vogue, 18 June 2026 In an attempt to regain her powers, Lucia accidentally summons a cosmic entity known as Altair. Carly Tagen-Dye, PEOPLE, 18 June 2026 While the mission was designed with dark energy, dark matter, and exoplanets in mind, Roman’s unprecedented observational capability will offer practically limitless opportunities for astronomers to explore all kinds of cosmic topics. Richard Tribou, The Orlando Sentinel, 17 June 2026 The Love Goddess Venus rises in your 10th House of Career and Status, standing opposite cosmic detective Pluto in your 4th House of Home, so public goals confront private truths that need recognition. Tarot.com, Chicago Tribune, 17 June 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

Browse Nearby Words

Cite this Entry

“Cosmic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic. Accessed 23 Jun. 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

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