Noun
(physics, cosmology) A hypothetical world situated in a different dimension of space and time than the real world consisting of the universe known and experienced by human beings.
(literature, narratology) An imaginary realm, often a variant form of the real world, depicting a different way events could have unfolded or the universe could have functioned.
Source: en.wiktionary.orgThere are literally several levels of SCO being wrong. And even if we were to live in that alternate universe where SCO would be right, they'd still be wrong. Linus Torvalds
Musicals don't get enough credit for being so surreal. It's like an alternate universe. Ezra Koenig
I was the classic middle child in some ways, the one who could have been a priest in an alternate universe. Chiwetel Ejiofor
I think human beings will always still really enjoy using our imaginations, and Fringe allows you to do that. It's slightly scary and believable. There just might be an alternate universe. There just might be people on the other side that are like us, living a different life. Jill Scott