monopolist Syllabification: (mo·nop·o·list)Pronunciation: /məˈnäpəlist/Definition of monopolist noun a person or business that has a monopoly. Derivatives monopolisticPronunciation: /məˌnäpəˈlistik/ adjective monopolisticallyPronunciation: /məˌnäpəˈlistik(ə)lē/ adverb monopolist in other Oxford dictionaries Definition of monopolist in the British & World English dictionary