sci-fi
nounUK /ˈsaɪ.faɪ/
US /ˈsaɪ.faɪ/
Stories about the future, space, robots, or cool science ideas.
My brother loves sci-fi movies about spaceships and aliens.
OTHER MEANINGS
2. A style of movie or book that shows imagined science and technology.
That show is sci-fi, so it has flying cars and talking computers.
3. Anything that seems like it comes from a far-future world.
Her new phone looks totally sci-fi with its glowing screen.
4. A fan or lover of science fiction stories.
He's a big sci-fi and reads a new space book every week.