[{"Bold_text": "noun", "List Items": ["exclusive control of a commodity or service in a particular market, or a control that makes possible the manipulation of prices.Compare duopoly , oligopoly .", "an exclusive privilege to carry on a business, traffic, or service, granted by a government.", "the exclusive possession or control of something.", "something that is the subject of such control, as a commodity or service.", "a company or group that has such control.", "the market condition that exists when there is only one seller.", "(initial capital letter)a board game in which a player attempts to gain a monopoly of real estate by advancing around the board and purchasing property, acquiring capital by collecting rent from other players whose pieces land on that property."]}]