root for root for {v. phr.} To cheer for; applaud; support. During the Olympics one usually roots for the team of one's own country. Categories: add yours {v. 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 Add my comment