Tell brifely what nihilism is about

Nihilism is a philosophical belief that denies the existence of any objective meaning or value in life. It posits that life is ultimately without purpose or significance, and that all beliefs and values are baseless and empty. As a result, nihilists often reject traditional morality and religious beliefs, viewing them as arbitrary and meaningless. Some nihilists also embrace the idea of existentialism, which emphasizes individual freedom and choice in the face of an ultimately meaningless world.