adjective
- representing the entire United States.
- composed exclusively of American members or elements.
- selected as the best in the United States, as in a sport: the all-American college football team of 1983.
noun
- an all-American player or performer.
adjective US
- representative of the whole of the United States
- composed exclusively of American members
- (of a person) typically Americanthe company looks for all-American clean-cut college students
1888, as the name of a barnstorming baseball team composed of players from various teams across the United States. From all + American.