universe

American  

[yoo-nuh-vurs] / ˈju nəˌvɜrs /

noun

• universes
  plural

1. the universe. the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.

2. the whole world, especially with reference to humanity.

   a truth known throughout the universe.

3. a world or sphere in which something exists or prevails.

   his private universe.

4. in New Age philosophy and popular culture, a divine but nonpersonal being, consciousness, or field of energy believed to connect everything that is, allowing the interaction of the physical with the spiritual and thought with reality.

5. Also called universe of discourse. Logic. the aggregate of all the objects, attributes, and relations assumed or implied in a given discussion.

6. Also called universal set. Mathematics. the set of all elements under discussion for a given problem.

7. Statistics. the entire population under study.

---

universe British  

/ ˈjuːnɪˌvɜːs /

noun

1. astronomy the aggregate of all existing matter, energy, and space

2. human beings collectively

3. a province or sphere of thought or activity

4. statistics another word for population

---

universe Scientific  

/ yo̅o̅′nə-vûrs′ /

1. The totality of matter, energy, and space, including the Solar System, the galaxies, and the contents of the space between the galaxies. Current theories of cosmology suggest that the universe is constantly expanding.

---

Other Word Forms

Derived Forms

• subuniverse
  noun
• superuniverse
  noun

Inflected Forms

Nouns

• universes
  plural

---

Etymology

Origin of universe

First recorded in 1325–75; Middle English, from Old French univers, from Latin ūniversum, noun use of neuter of ūniversus “all, entire,” literally, “turned into one,” from ūni- uni- + versus “turned” (past participle of vertere “to turn”)

---

Explanation

Universe is a big word — in fact, it includes all matter and all of space. We can't see or know much about the outer limits of the universe, but we know that it has them, and the idea of matter contained within boundaries gives us other meanings for the word. You might refer to a "universe of ideas," or when conducting a scientific study, create "a universe of data." Universe can also mean a defined set of something — the five blocks between the playground and home can be the whole universe for a small child.

Example Sentences

See Examples For:

universe universes

Ever since he was a boy, Hassabis dreamed of building a form of artificial intelligence that would be smart enough to crack the mysteries of the universe.

From The Wall Street Journal ● Oct. 21, 2026

Much as gemstones preserve clues about the geological processes that shaped Earth over billions of years, galaxies hold evidence of the forces that have shaped the universe.

From Science Daily ● Oct. 20, 2026

She wants guests to feel transported into a fantasy universe, and understands how to make that happen.

From Los Angeles Times ● Oct. 20, 2026

Paul Cremo, who directs the Met's commissioning program, said creating the other-worldly universe for "Bardo" -- in which tendrils engulf singers and ghosts explode -- challenged the Met's technical staff.

From Barron's ● Oct. 18, 2026

It was like a knife you could cut through time, a hole you could punch in the universe.

From "The Teacher’s Funeral" by Richard Peck

He studied physics and philosophy at the University of Oxford, where he met his wife, devoured Einstein’s original papers and investigated parallel universes.

From The Wall Street Journal ● Aug. 8, 2026

For Gallo and his team of Aditya Aney, Tao Pan and William Koor, “both the AI and private credit universes face significant volatility.”

From MarketWatch ● Aug. 5, 2026

“It’s going to be really cool to have the comic book store be more dimensional since in the different universes, the comic book store is different,” says Sussman.

From Los Angeles Times ● Jul. 13, 2026

The process begins with scientists generating large numbers of simulated universes based on physical models.

From Science Daily ● Jun. 29, 2026

It may be that our universe is merely part of many larger universes, some in different dimensions, and that Big Bangs are going on all the time all over the place.

From "A Short History of Nearly Everything" by Bill Bryson

Random Word

Spin the wheel and learn a new word!

---