[{"Bold_text": "noun", "List Items": ["total rejection of established laws and institutions.", "anarchy, terrorism, or other revolutionary activity.", "total and absolute destructiveness, especially toward the world at large and including oneself:the power-mad nihilism that marked Hitler's last years.", "Philosophy.an extreme form of skepticism: the denial of all real existence or the possibility of an objective basis for truth.nothingness or nonexistence.", "an extreme form of skepticism: the denial of all real existence or the possibility of an objective basis for truth.", "nothingness or nonexistence.", "(sometimes initial capital letter)the principles of a Russian revolutionary group, active in the latter half of the 19th century, holding that existing social and political institutions must be destroyed in order to clear the way for a new state of society and employing extreme measures, including terrorism and assassination.", "annihilation of the self, or the individual consciousness, especially as an aspect of mystical experience."]}]