ringleader ringleader {n. phr.} The chief of an unsavory group; a higher-up. The FBI finally caught up with the ringleader of the dope smugglers from South America. Categories: add yours {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: R Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment