[mass noun]a policy of extending a country's power and influence through colonization, use of military force, or other means 帝国主义,帝制 the struggle against imperialism. 反帝斗争。 French ministers protested at US cultural imperialism. 法国部长抗议美国的文化帝国主义。 ■(chiefly historical)rule by an emperor (主史)皇帝的统治