flog, welt, whip, lather, lash, slash, strap, trounce: beat severely with a whip or rod "The teacher often flogged the students", "The children were severely trounced"
beat, beat out, crush, shell, trounce, vanquish: come out better in a competition, race, or conflict "Agassi beat Becker in the tennis championship", "We beat the competition", "Harvard defeated Yale in the last football game"