Main entry: expectorate, clear out, drive out
Definition: clear out the chest and lungs
Usage: This drug expectorates quickly
Main entry: turn back, chase away, run off, drive away, drive off, drive out, dispel
Definition: force to go away; used both with concrete and metaphoric meanings
Usage: Drive away potential burglars; drive away bad thoughts; dispel doubts; The supermarket had to turn back many disappointed customers
Main entry: rouse, rout out, drive out, force out
Definition: force or drive out
Usage: The police routed them out of bed at 2 A.M.