1. a policy of extending a country’s power and influence through diplomacy or military force
2. the practice of using power to influence or control former colonies or developing countries
Usage: often used critically

Examples

• European imperialism in Africa lasted for centuries.
• The country’s imperialism led to conflicts with neighboring nations.
• Critics argued that the trade policies represented economic imperialism.
• The professor discussed American imperialism in the Pacific.
• Many former colonies still struggle with the effects of imperialism.
• The empire’s imperialism expanded its territory across three continents.