Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pollutant
1 sense of pollutant
Sense 1
pollutant -- (waste matter that contaminates the water or air or soil)
=> waste, waste material, waste matter, waste product -- (any materials unused and rejected as worthless or unwanted; "they collect the waste once a week"; "much of the waste material is carried off in the sewers")