bold, brave, chivalrous, courageous, dauntless, defiant, fearless, gallant, hardy, heroic, intrepid, stalwart, stouthearted, unafraid, undaunted ...
Definition of yankee-doodle : 1. Humorously, a Yankee. 2. The name of a tune adopted popularly as one of the national airs of the United States.
Synonyms:
yank, Yankee