science fiction
nounUK /ˈsaɪəns ˈfɪkʃən/
US /ˈsaɪəns ˈfɪkʃən/
Science fiction is a kind of story about imagined science and future worlds.
My favorite science fiction book is about a robot who learns to paint.
OTHER MEANINGS
2. A genre of film or television that uses imagined science and technology.
We watched a science fiction movie about traveling to Mars.
3. Ideas or plans that seem unrealistic, like something from a made-up future story.
His plan to build a flying car sounded like science fiction.
4. Writing that explores the effects of scientific change on people and society.
She studies science fiction to understand how people imagine new technology.