Definition of befoul in English:



  • Make dirty; pollute.

    ‘they befoul our water with mining’
    • ‘He also picks up litter around the school - as garbage contributes to public health problems and befouls the town's lake.’
    • ‘You are scum, befouling the surface of the earth.’
    • ‘Most people knew of a schoolyard bully when they were younger and always hoped bad and awful things would befoul the bully and maybe even his family (not that I would know from experience, mind you).’
    • ‘Nature, on its own, is beautiful, but nature's human component, acting with arrogant independence, befouls the earth.’
    • ‘The menace he's stalking this time: dirty energy, which contributes to global warming and befouls the air in the world's cities.’
    • ‘Mrs. Popular shook her finger at me and yelled something like, ‘How dare you befoul my home in such a way!’’
    • ‘Apparently, it has already befouled other cities around the world.’
    • ‘The fact that one of the rotten little orphans had befouled her room with mud and muck had not helped matters.’
    • ‘The cat freaked while in the trap and befouled himself.’
    • ‘Like most messy eaters, most of the food ends up unusable and befouled.’
    • ‘Public decisions affect everyone by the nature of the choice itself: we can only have one defense budget; polluting rivers befouls not just my water, but yours.’
    • ‘When the foul vapours build up, they're released through the manhole covers, befouling our proud city streets.’
    • ‘The sink, the flush toilet, and the sewer literally formed a pipeline to the vilest contamination that befouled the city.’
    • ‘Tis a name that befouls the air, like a dark cloud of poison that will choke the soul of that whom breathes it in!’
    • ‘It does sort of befoul the atmosphere, like an emotional pollution, doesn't it?’
    • ‘There was also a putrid stench befouling the air, which no regular person could tolerate.’
    • ‘This green and pleasant land in the Guardian argues similarly that it's about ‘a Britain that is either green and pleasant, made diligent by cottage industries, or befouled by factories’.’
    • ‘The air was clouded with dust and increasingly befouled by the odors of animal farm-factories.’
    • ‘Those are, without doubt, the ugliest cars ever to befoul the planet.’
    soiled, grimy, grubby, filthy, mucky, stained, unwashed, greasy, smeared, smeary, spotted, smudged, cloudy, muddy, dusty, sooty
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