universe Definition

universe
noun

1a. astron.
All existing space, energy and matter, ie the whole of space and all the galaxies, stars, planets, moons, asteroids and other bodies contained within it; the cosmos.
Thesaurus: world, creation, firmament, nature, the natural world, heavens, cosmos, macrocosm, everything.
Form: the Universe
1b. astron.
A star system; a galaxy.
2. A domain; a sphere of activity, interest, etc.
3. The world; all people.

Etymology: 16c; 14c in obsolete form in universe, meaning ‘universally' or ‘of universal application': from French from Latin universum the whole world, from universus all together, literally ‘turned into one', from unus one + vertere to turn.