Dictionary.com
Thesaurus.com

intergalactic

American  
[in-ter-guh-lak-tik] / ˌɪn tər gəˈlæk tɪk /

adjective

  1. of, existing, or occurring in the space between galaxies.

    The science-fiction movie was about an intergalactic war.


intergalactic British  
/ ˌɪntəɡəˈlæktɪk /

adjective

  1. of, relating to, or existing between two or more galaxies

    the dark clouds of intergalactic space

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of intergalactic

First recorded in 1925–30; inter- + galactic

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.

These systems are also sensitive to environmental effects such as ram-pressure stripping, which can remove gas as they move through intergalactic space.

From Science Daily

The centerpiece room of the ship will house a giant interactive screen, in which guests can twist knobs and panels to skip across different intergalactic worlds — or perhaps they’re just dreams.

From Los Angeles Times

The official trailer for the sequel shows the chirpy red-capped Italian plumber cavorting with his friends and nemeses in a colourful intergalactic universe.

From Barron's

The outcome supports the alternative explanation -- that the intergalactic medium contains a magnetic field left over from the early Universe.

From Science Daily

He took a selfie with the cake, flashing bright blue teeth, right before Perkins cut into her intergalactic confection, the center dense with cookies and cream.

From Los Angeles Times