What is define dystopia?

A dystopia is a hypothetical or an imaginary community or society that is undesirable or frightening. It is usually characterized by totalitarianism, extreme poverty, oppression, and control over people's lives. It is often set in a future world that has been drastically changed by war, environmental disaster, or other catastrophic events. In a dystopia, people are often deprived of their freedom, privacy, and individuality, and their lives are governed by strict rules and laws. The central themes of dystopian literature include the dangers of unchecked technology, the role of government in people's lives, the consequences of social and economic inequality, and the importance of individual freedom and autonomy. Some popular examples of dystopian literature include George Orwell's 1984, Aldous Huxley's Brave New World, and Margaret Atwood's The Handmaid's Tale.