Pronunciation: (pu-lOOt'), [key]
—v.t., -lut•ed, -lut•ing.
1. to make foul or unclean, esp. with harmful chemical or waste products; dirty: to pollute the air with smoke.
2. to make morally unclean; defile.
3. to render ceremonially impure; desecrate: to pollute a house of worship.
4. Informal.to render less effective or efficient: The use of inferior equipment has polluted the company's service.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.