Definition of imperialism
1 : the policy, practice, or advocacy of extending the power and dominion of a nation especially by direct territorial acquisitions or by gaining indirect control over the political or economic life of other areas broadly : the extension or imposition of power, authority, or influence union imperialism
2 : imperial government, authority, or system
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Merriam-Webster unabridgedWords at Play
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Time Traveler for imperialism
The first known use of imperialism was in 1684
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