n.[U]

1. 帝國主義
   These two countries accused each other of imperialism.

   這兩個國家相互指責對方是帝國主義。

2. 帝制；霸業
   The king's subjects protested against his imperialism.

   國王的臣民反對他的帝制。

3. 勢力的擴張；擴張主義
   We must keep an vigilant eye upon imperialism.

   我們必須對擴張主義保持警戒。

n.

1. a policy of extending a country's power and influence through colonization, use of military force, or other means.
2. chiefly historical rule by an emperor.