Definition of befoul in US English:

befoul

verb

[with object]
  • Make dirty; pollute.

    ‘they befoul our water with mining’
    • ‘Tis a name that befouls the air, like a dark cloud of poison that will choke the soul of that whom breathes it in!’
    • ‘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).’
    • ‘The cat freaked while in the trap and befouled himself.’
    • ‘The sink, the flush toilet, and the sewer literally formed a pipeline to the vilest contamination that befouled the city.’
    • ‘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.’
    • ‘Like most messy eaters, most of the food ends up unusable and befouled.’
    • ‘When the foul vapours build up, they're released through the manhole covers, befouling our proud city streets.’
    • ‘Those are, without doubt, the ugliest cars ever to befoul the planet.’
    • ‘There was also a putrid stench befouling the air, which no regular person could tolerate.’
    • ‘Nature, on its own, is beautiful, but nature's human component, acting with arrogant independence, befouls the earth.’
    • ‘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.’
    • ‘The fact that one of the rotten little orphans had befouled her room with mud and muck had not helped matters.’
    • ‘The menace he's stalking this time: dirty energy, which contributes to global warming and befouls the air in the world's cities.’
    • ‘It does sort of befoul the atmosphere, like an emotional pollution, doesn't it?’
    • ‘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.’
    • ‘He also picks up litter around the school - as garbage contributes to public health problems and befouls the town's lake.’
    soiled, grimy, grubby, filthy, mucky, stained, unwashed, greasy, smeared, smeary, spotted, smudged, cloudy, muddy, dusty, sooty
    soil, stain, muddy, blacken, mess up, spoil, tarnish, taint, make dirty
    View synonyms

Pronunciation

befoul

/bəˈfoul//bəˈfaʊl/