Often used in science fiction to describe vast, epic space adventures or events. In the movie, the hero travels on an intergalactic quest to save the universe.
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Technical Term
Used in academic or technical discussions about space and astronomy. Her thesis focuses on the properties of dust in intergalactic space.
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Not for Daily Use
Uncommon in everyday conversation; used more in specific contexts like space research. I don't use the term 'intergalactic' much outside of my astrophysics class.