adjective cos·mic \ˈkäz-mik\

: of or relating to the universe or outer space

: relating to spiritual matters

: very large or important

Full Definition of COSMIC

a :  of or relating to the cosmos, the extraterrestrial vastness, or the universe in contrast to the earth alone
b :  of, relating to, or concerned with abstract spiritual or metaphysical ideas
:  characterized by greatness especially in extent, intensity, or comprehensiveness <a cosmic thinker>
cos·mi·cal·ly \-mi-k(ə-)lē\ adverb

Variants of COSMIC

cos·mic also cos·mi·cal \-mi-kəl\

Origin of COSMIC

Greek kosmikos, from kosmos order, universe
First Known Use: 1685

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith
COSMIC Defined for Kids


adjective cos·mic \ˈkäz-mik\

Definition of COSMIC for Kids

:  of or relating to the whole universe
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