neocolonialismPronunciation: /ˌniːəʊkəˈləʊnɪəlɪz(ə)m/Definition of neocolonialism noun [mass noun] the use of economic, political, cultural, or other pressures to control or influence other countries, especially former dependencies. Derivatives neocolonial adjective neocolonialist noun & adjective neocolonialism in other Oxford dictionaries Definition of neocolonialism in the US English dictionary