adj.
Opposed or hostile to the government, official policies, or people of the United States.
anti-Americanism an'ti-A·mer'i·can·ism n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.