WordWeb Online

1. Make impure in a bad way; make something harmful, especially by the addition of some unwanted substance
   "The industrial wastes polluted the lake";
   - foul, contaminate
    
2. Make imperfect
   "nothing polluted her beauty";
   - mar, impair, spoil, deflower, vitiate

Derived forms: polluted, pollutes, polluting

Type of: begrime, bemire [archaic], colly [archaic], damage, dirty, grime, soil

Encyclopedia: Pollute