parallel universe

[par-uh-lel yoo-nuh-vurs]

noun

1. Physics.,  any of a hypothetical collection of undetectable universes that are like our known universe but have branched off from our universe due to a quantum-level event.

2. (in cosmology) a hypothetical universe that coexists with our known universe but may operate under fundamentally different laws of physics.

3. Also called alternate universe,. Also called alternative universe. (in science fiction, fantasy, etc.) a separate universe or world that coexists with our known universe but is very different from it.

4. a realm of existence and experience that is fundamentally different from the one that most humans share; a separate reality.

   I don’t understand him—I think he lives in a parallel universe.

Word History and Origins

Origin of parallel universe¹

First recorded in 1920–25

Example Sentences

Almost as if in a parallel universe, Kennedy told senators on Thursday that his goal was to achieve the same thing, after facing hours of criticism on his vaccine policies.

From Los Angeles Times

Well, three weeks ago feels like a parallel universe for those somberly returning home from across the continent.

From BBC

Surely Gunn wrote this relatable parallel universe A-plot into “Peacemaker” with an understanding of how potent a proposition it is to viewers these days.

From Salon

Surely Gunn wrote this relatable parallel universe A-plot into “Peacemaker” with an understanding of how potent a proposition it is to viewers these days.

From Salon

“Gaza is a parallel universe. You move on quickly,” said another soldier.

From Salon