hyphenated American

In the United States, the term hyphenated American is an epithet commonly used from 1890 to 1920 to disparage Americans who were of foreign birth or origin, and who displayed an allegiance to a foreign country. It was most commonly used to disparage German Americans or Irish Americans (Catholics) who called for U.S. neutrality in World War I. Former President Theodore Roosevelt was an outspoken anti-hyphenate and Woodrow Wilson followed suit.