This article deals with anti-utopian and dystopian literature, development of the genre and attempts at its definition. The first part contains a description of attributes characteristic of the genre: newspeak, the petrified world, and the division of the world into two fields (Us vs. Them). The author then devotes attention to previous theoretical definitions of dystopia and anti-utopia, including an historical mapping of research in foreign, mainly English studies: works by George Woodcock, Fred Polak, Mark Hillegas, Krishan Kumar, Lyman Tower Sargent and others. The survey of research in the Czech academic field is based on texts by Milada Genčiová, Daniela Hodrová and Petr Hrtánek. In conclusion, the author describes the differenc...