Physical contamination, now especially the contamination of the environment by harmful substances, or by disruptive levels of noise, light etc. / Something that pollutes; a pollutant.

plural of pollution

Of or relating to pollution.

(transitive) To make something harmful, especially by the addition of some unwanted product.

(rare) Polluted; defiled.

A foreign substance that makes something dirty, or impure, especially waste from human activities.

present participle of pollute

Adapted or tending to pollute; causing defilement or pollution.

A subject that pollutes, be it a person, company, country, factory or another subject.

made unclean or impure / (Ireland) drunk