pollution

(noun)

noun

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

Definition categories: state, impureness, impurity

2. the state of being polluted

Similar word(s): befoulment, defilement

Definition categories: state, dirtiness, uncleanness

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

Similar word(s): contamination

Definition categories: act, dirtying, soiling, soilure

Sentences with pollution as a noun:

- Nobody visits the river any more because of all the pollution.