WordWeb Online

1. Force to leave or move out
   "He was expelled from his native country";
   - throw out, kick out [informal]
    
2. Remove from a position or office
   "The chairman was expelled after he misappropriated funds";
   - oust, throw out, drum out, boot out [informal], kick out [informal], turf out [Brit, informal]
    
3. Cause to flee
   - rout, rout out
    
4. Eliminate (a substance)
   "combustion products are expelled in the engine";
   - exhaust, discharge, eject, release

Derived forms: expelled, expelling, expels

Type of: defeat, displace, get the better of, move, overcome, remove

Encyclopedia: Expel