chase away, drive out, turn back, drive away, dispel, drive off, run off -- (force to go away; used both with concrete and metaphoric meanings; "Drive away potential burglars"; "drive away bad thoughts"; "dispel doubts"; "The supermarket had to turn back many disappointed customers")
disperse, dissipate, dispel, break up, scatter -- (to cause to separate and go in different directions; "She waved her hand and scattered the crowds")
(Sound)
