clean sweep noun3 •A complete or overwhelming victory, especially one in which all or almost all possible electoral contests are won.In November 1928, as the beneficiaries of this revulsion, the Liberals made a clean sweep of every seat on the borough council. — 1989 •The winning, by a person or team, of all the possible possible prizes, games, rounds or contests, etc in a competition, season or series.Scott Russell, who had sewn up the Yokohama 750cc Supersport championship earlier in the year, completed a clean sweep of the series races with his ninth victory in Miami. — 1992 •(figurative) A thorough change of policies, personnel or objects, removing or replacing all or almost all of that which existed previously.[In 1951] Colby had an almost clean sweep of his closest official advisors. — 1994 formsclean sweeps
