Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb pollute

1 sense of pollute

Sense 1
pollute, foul, contaminate -- (make impure; "The industrial wastes polluted the lake")
       => dirty, soil, begrime, grime, colly, bemire -- (make soiled, filthy, or dirty; "don't soil your clothes when you play outside!")

Antonyms of adj polluted

1 sense of polluted

Sense 1
contaminated, polluted -- (rendered unwholesome by contaminants and pollution; "had to boil the contaminated water"; "polluted lakes and streams")

INDIRECT (VIA impure) -> pure -- (free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen")

Similarity of adj polluted

1 sense of polluted

Sense 1
contaminated, polluted -- (rendered unwholesome by contaminants and pollution; "had to boil the contaminated water"; "polluted lakes and streams")
       => impure (vs. pure) -- (combined with extraneous elements)