noun
Refers to the policy or ideology of extending a nation's power through colonization, military force, or other means. Used in political and historical contexts.
19世紀のヨーロッパでは、インペリアリズムが世界を大きく変えた。
In 19th-century Europe, imperialism dramatically changed the world.
The native Japanese equivalent, more common in formal or academic writing. インペリアリズム is a direct loanword often used in political discourse.
Borrowed from English 'imperialism'.