WordWeb Online

1. Try to prevent; show opposition to
   "We should deter this practice among our youth";
   - discourage
    
2. Turn away from by persuasion
   "Negative campaigning will only deter people";
   - dissuade

Derived forms: deterring, deterred, deters

Type of: advise, counsel, disapprove, rede [archaic], reject

Encyclopedia: Deter