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Synonyms

cosmic

American  
[koz-mik] / ˈkɒz mɪk /
Also cosmical

adjective

  1. of or relating to the cosmos.

    cosmic laws.

  2. characteristic of the cosmos or its phenomena.

    cosmic events.

  3. immeasurably extended in time and space; vast.

    Synonyms:
    stupendous, enormous, immense

  4. forming a part of the material universe, especially outside of the earth.

cosmic British  
/ ˈkɒzmɪk /

adjective

  1. of or relating to the whole universe

    cosmic laws

  2. occurring or originating in outer space, esp as opposed to the vicinity of the earth, the solar system, or the local galaxy

    cosmic rays

  3. immeasurably extended in space or time; vast

  4. rare harmonious

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
cosmic Scientific  
/ kŏz′mĭk /

  1. Relating to the universe or the objects in it.

Other Word Forms

  • cosmicality noun
  • cosmically adverb
  • intercosmic adjective
  • noncosmic adjective
  • noncosmically adverb
  • precosmic adjective
  • precosmical adjective
  • precosmically adverb

Etymology

Origin of cosmic

1640–50; < Greek kosmikós worldly, universal, equivalent to kósm ( os ) world, arrangement + -ikos -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They went on to collaborate on a musical track Cave describes as “becoming a slowly evolving cosmic dance, in the form of a reconciliation and an apology.”

From Salon • Apr. 4, 2026

Sim adds that the cosmic film is a "gorgeously animated love letter to Mario fans".

From BBC • Apr. 1, 2026

A Rutgers astrophysicist is helping investigate a strange cosmic event that has left astronomers searching for answers.

From Science Daily • Mar. 30, 2026

But attorney Mark Lanier framed the surprise victory in L.A. for his client — who alleged Instagram and YouTube were designed to be addictive for young users — as nothing short of a cosmic triumph.

From Los Angeles Times • Mar. 28, 2026

They were searching the cosmic radio background—that is, radio sources far beyond our solar system.

From "Cosmos" by Carl Sagan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.