A person who supports or practices imperialism, which is the policy of extending a country's power and influence through colonization, use of military force, or other means.
The imperialist sought to expand the nation's territories by establishing colonies overseas.
imperialistadjective
Relating to or supporting imperialism, which is the policy of extending a country's power and influence through colonization, use of military force, or other means.
The imperialist policies of the nation led to the expansion of its territories overseas.