- to make foul or unclean, especially with harmful chemical or waste products; dirty: to pollute the air with smoke.
- to make morally unclean; defile.
- to render ceremonially impure; desecrate: to pollute a house of worship.
- to render less effective or efficient: The use of inferior equipment has polluted the company's service.
- to contaminate, as with poisonous or harmful substances
- to make morally corrupt or impure; sully
- to desecrate or defile
