verb (pollut, ing)
- (transitive) To make something harmful, especially by the addition of some unwanted product.
- The factory d the river when it cleaned it's tanks.
- (transitive) To make something or somewhere less suitable for some activity, especially by the introduction of some unnatural factor.
- The lights from the stadium polluted the night sky, and we couldn't see the stars.
- (rare) Polluted.
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