From Longman Dictionary of Contemporary Englishexpansionismex‧pan‧sion‧is‧m /ɪkˈspænʃənɪzəm/ AWL noun [uncountable] INCREASE IN NUMBER OR AMOUNTwhen a country or group increases the amount of land or power that they have – used especially to show disapproval military expansionism —expansionist adjective —expansionist noun [countable]
Examples from the Corpus
expansionism• It was a view not unlike that of the proponents of Athenian expansionism during the time of Thucydides.• The Leninist theory of capitalist expansionism is generally considered to be the orthodox Marxist position.• Technological change, especially in military weapons, gave added impetus to the new expansionism.• By 1910, therefore, expansionism had turned into overt and formal colonialism.• There is no doubt whatsoever that this expansionism was a deliberate and carefully controlled policy.• Adults, adult women in particular, are subscribing to this expansionism for themselves without question. 