im ‧ pe ‧ ri ‧ al ‧ is ‧ m /ɪmˈpɪəriəlɪz ə m $ -ˈpɪr-/ BrE AmE noun [uncountable]
1 . a political system in which one country rules a lot of other countries ⇨ colonialism :
a book on the history of British imperialism
2 . the way in which a rich or powerful country’s way of life, culture, businesses etc influence and change a poorer country’s way of life etc
cultural/economic/social etc imperialism
Small nations resent Western cultural imperialism.
—imperialist noun [countable]
—imperialist , imperialistic adjective