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

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

present participle of pollute

Adapted or tending to pollute; causing defilement or pollution.

plural of pollution

Of or relating to pollution.

simple past tense and past participle of self-pollute

(informal) Drunk.

Of an area, having too much artificial light including street lighting, which prevents stars etc. being seen in a clear night sky.

The pollution of soil, for example by sewage or toxic chemicals.