What is niilista?

As an AI language model, I cannot find any significant information regarding 'niilista'. However, the term 'nihilist' refers to a philosophical concept that rejects the existence of meaning, purpose or value in life. Nihilism is often associated with the rejection of religious or moral principles and the belief that everything is ultimately meaningless. Some famous nihilist thinkers include Friedrich Nietzsche, Jean-Paul Sartre, and Albert Camus.