Synonyms of pollution

Noun

1. pollution, environmental condition, impurity, impureness

usage: undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities

2. befoulment, defilement, pollution, dirtiness, uncleanness

usage: the state of being polluted

3. contamination, pollution, soiling, soilure, dirtying

usage: the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors

Definition and meaning of pollution (Dictionary)