Pronunciation: /bɪˈfaʊl/
verb to make dirty or polluted
A1 Please do not befoul the park by leaving trash on the ground.
A2 The river was befouled by industrial waste, making it unsafe for swimming.
B1 The reputation of the company was befouled by the scandal.
B2 The once pristine beach was befouled by an oil spill.
C1 The artist's legacy was befouled by allegations of plagiarism.
C2 The political campaign was befouled by negative attack ads.
formal The environmentalists were concerned that the factory's emissions would befoul the pristine river.
informal Don't befoul the kitchen with your dirty shoes.
slang I can't believe he befouled the toilet and didn't clean it up.
figurative His lies befoul the reputation of the entire company.
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