Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pollution

3 senses of pollution

Sense 1
pollution -- (undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities)
       => environmental condition -- (the state of the environment)
       => impurity, impureness -- (the condition of being impure)

Sense 2
befoulment, defilement, pollution -- (the state of being polluted)
       => dirtiness, uncleanness -- (the state of being unsanitary)

Sense 3
contamination, pollution -- (the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors)
       => soiling, soilure, dirtying -- (the act of soiling something)

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