[ koz-mik ]
/ ˈkɒz mɪk /


of or relating to the cosmos: cosmic laws.
characteristic of the cosmos or its phenomena: cosmic events.
immeasurably extended in time and space; vast.
forming a part of the material universe, especially outside of the earth.

Nearby words

  1. cosmeticize,
  2. cosmetics,
  3. cosmetize,
  4. cosmetologist,
  5. cosmetology,
  6. cosmic background radiation,
  7. cosmic dust,
  8. cosmic microwave background,
  9. cosmic noise,
  10. cosmic ray

Also cos·mi·cal.

Origin of cosmic

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

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cosmic

British Dictionary definitions for cosmic


/ (ˈkɒzmɪk) /


of or relating to the whole universecosmic laws
occurring or originating in outer space, esp as opposed to the vicinity of the earth, the solar system, or the local galaxycosmic rays
immeasurably extended in space or time; vast
rare harmonious
Derived Formscosmically, adverb

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

Word Origin and History for cosmic



1640s, from cosmo- + -ic. Originally "of this world" (which was the sense of Greek kosmikos); meaning "of the universe" is from 1846. Cosmical is attested from 1580s.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for cosmic


[ kŏzmĭk ]

Relating to the universe or the objects in it.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.