Definition of befoul in English:

befoul

verb

[with object]
  • Make dirty; pollute.

    ‘the dangers of letting industry befoul the environment’
    • ‘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 sink, the flush toilet, and the sewer literally formed a pipeline to the vilest contamination that befouled the city.’
    • ‘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.’
    • ‘Tis a name that befouls the air, like a dark cloud of poison that will choke the soul of that whom breathes it in!’
    • ‘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?’
    • ‘When the foul vapours build up, they're released through the manhole covers, befouling our proud city streets.’
    • ‘Apparently, it has already befouled other cities around the world.’
    • ‘Those are, without doubt, the ugliest cars ever to befoul the planet.’
    • ‘Nature, on its own, is beautiful, but nature's human component, acting with arrogant independence, befouls the earth.’
    • ‘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.’
    • ‘There was also a putrid stench befouling the air, which no regular person could tolerate.’
    • ‘The cat freaked while in the trap and befouled himself.’
    • ‘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.’
    • ‘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).’
    • ‘Mrs. Popular shook her finger at me and yelled something like, ‘How dare you befoul my home in such a way!’’
    • ‘Like most messy eaters, most of the food ends up unusable and befouled.’
    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

Pronunciation

befoul

/bɪˈfaʊl/