Definitions:

1. An American especially to non-Americans. NOUN
   • During his trip abroad, he often heard himself called a Yankee by locals.
2. An American who lives in the North. NOUN
   • She was a proud Yankee hailing from the hearts of New England.
3. Relating to an inhabitant of a northern state in the United States, especially a Union soldier during the Civil War, typically used by inhabitants of the southern United States as a pejorative term. NOUN
   • I don't care for Yankee food.

Synonyms:

• american
• northerner