Sci-fi (noun)

A genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.

Origin:

Abbreviation of science fiction.

Examples:

1. He was a fan of sci-fi movies.
2. The book was a classic of sci-fi literature.
3. Sci-fi is a popular genre in literature and film.
4. The sci-fi convention was a gathering of fans.
5. The sci-fi novel explored the implications of artificial intelligence.