WordWeb Online

1. Force to go away; used both with concrete and metaphoric meanings
   "The supermarket had to drive out many disappointed customers"
   - chase away, turn back, drive away, dispel, drive off, run off
    
2. Force or drive out
   - rout out, force out, rouse
    
3. Clear out the chest and lungs
   - expectorate, clear out

Derived forms: drove out, driven out, drives out, driving out

See also: drive

Type of: displace, move, remove, take, take away, withdraw