pollute
verb
[ pəˈluːt ]
• contaminate (water, the air, etc.) with harmful or poisonous substances.
• "the explosion polluted the town with dioxin"
Similar:
contaminate,
adulterate,
taint,
poison,
befoul,
foul,
dirty,
soil,
blight,
make filthy,
infect,
Origin:
late Middle English: from Latin pollut- ‘soiled, defiled’, from the verb polluere, based on the root of lutum ‘mud’.