Monopolize is a direct transitive verb that it means to dominate, to have the exclusivity for you, it isstand out, draw attention without giving the other an opportunity. For example: monopolize the conversation, monopolize the party, monopolize the meeting, etc.
To monopolize, in a market economy, is to create a particular condition of imperfect competition, in which a single company monopolizes the market of a given product or service, establishing the price increase.
To monopolize is to traffic, exploit or possess exclusive rights or privileges, it is to practice monopoly, that is, when a single company exploits abusively by selling a product or providing a service without competition. It is to have market dominance.
To monopolize is to hoard a particular commodity, that is, withdraw a particular product from circulation in order to impose high marketing prices on it.
To monopolize is to make or have a monopoly - a situation in which the market is dominated by a monopolistic structure, where prices are fixed by the monopolizing company and not by market laws, guaranteeing them super profits. Most countries have a set of laws to prevent the formation of a monopoly.