poison

POISON noun

[ C,U ] uk/ˈpɔɪzən/ us
B2 a substance that can make you sick or kill you if you eat or drink it

яд
Someone had put poison in her drink.
poison verb [ T ] uk/ˈpɔɪzən/ us poison verb [T]
(MAKE DANGEROUS)

B2 to put poison or a dangerous substance in something

отравлять
They poison ed the city's water supply.
poison verb [T]