WordReference Random House Learner's Dictionary of American English © 2026
cos•mic /ˈkɑzmɪk/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- of, relating to, or characteristic of the cosmos:[before a noun]cosmic events when the universe was born.
- vast:[before a noun]cosmic distances.
- of great impact;
enormous:a matter of cosmic importance.
cos•mic
(koz′mik),USA pronunciation adj.
cos•mi•cal•i•ty
(koz′mi kal′i tē),USA pronunciation n.
cos′mi•cal•ly, adv.
- of or pertaining to the cosmos:cosmic laws.
- characteristic of the cosmos or its phenomena:cosmic events.
- immeasurably extended in time and space; vast.
- Astronomyforming a part of the material universe, esp. outside of the earth.
- Greek kosmikós worldly, universal, equivalent. to kósm(os) world, arrangement + -ikos -ic
- 1640–50
- 3. immense, enormous, stupendous.