sci-fi
noun /ˈsaɪ faɪ/
/ˈsaɪ faɪ/
(abbreviation SF)
[uncountable] (informal)- science fiction (= a type of book, film, etc. that is based on imagined scientific discoveries of the future, and often deals with space travel and life on other planets)Topics Literature and writingb2, Film and theatreb2