fiction

/ˈfɪk·ʃən/ n [C/U]

Definition

› literature the type of book or story that is written about imaginary characters and events and does not describe real people or deal with facts, or a false report or statement that you pretend is true: [U] She wrote detective fiction and made a good living at it. [C usually sing] It was a fiction, though widely believed, that he had once been rich.

(Definition of fiction n from the Cambridge Academic Content Dictionary © Cambridge University Press)