interdimensional
Americanadjective
-
existing or traveling between dimensions of space or time.
The best thing about an interdimensional space and time machine is that you never know quite when one is going to pop up.
-
(in science fiction, fantasy, etc.) coming from an alternate dimension or a parallel universe.
There's a wide range of character options, including an unholy paladin, an interdimensional warlord, a reptilian soothsayer, and an anarchist obsessed with transhumanism.
I prefer the terms extraterrestrials or interdimensional beings.
Etymology
Origin of interdimensional
First recorded in 1950–55; inter- ( def. ) + dimension ( def. ) + -al 1 ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Apers believe Bigfoot is just a primate unknown to science while Woo-Woos think Bigfoot is some sort of interdimensional traveller - an alien of sort.
From BBC ● Apr. 3, 2026
But the agency did discover that a network of UFO believers within the Defense Department had created a program that investigated accounts of interdimensional creatures and werewolves on a ranch in Utah.
From The Wall Street Journal ● Feb. 22, 2026
HBO Max has presented its branded “Harry Potter” blaze and “A Very Merry Ricksmas Yule Log,” featuring Rick and Morty scrolling through interdimensional cable with the TV on mute, since 2022.
From Salon ● Dec. 18, 2025
To an outsider, Isis’ casual references to telepathy and interdimensional existence may sound delusional.
From Los Angeles Times ● Apr. 12, 2023
Observing a particularly attractive and congenial-looking square entering its flat house, the apple decides, in a gesture of interdimensional amity, to say hello.
From "Cosmos" by Carl Sagan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
