#1 drive out v. 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". wn #2 drive out v. force or drive out; "The police routed them out of bed at 2 A.M.". wn #3 drive out v. clear out the chest and lungs; "This drug expectorates quickly". wn