WordWeb Online

1. The state of being banished or ostracized (excluded from society by general consent)
   "the association should get rid of its elderly members--not by euthanasia, of course, but by ostracism";
   - banishment, Coventry
    
2. The act of excluding someone from society by general consent

Derived forms: ostracisms

Type of: ejection, exclusion, expulsion, riddance

Encyclopedia: Ostracism