poison */

I UK [ˈpɔɪz(ə)n] / US noun
Word forms "poison":
singular poison plural poisons

1) [countable/uncountable] a substance that can kill you or make you ill if you eat, drink, or breathe it

Some mushrooms contain poison.

rat poison (= poison used for killing rats)

2)

a) [countable/uncountable] something that has a negative effect

Capitalism is regarded as a poison that is destroying the traditional way of life.

b) [uncountable] words or actions that express the feeling of hating someone

The look she gave me was pure poison.

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name/pick/choose your poison — humorous used for asking someone what type of alcoholic drink they would like

II UK [ˈpɔɪz(ə)n] / US verb [transitive]
Word forms "poison":
present tense I/you/we/they poison he/she/it poisons present participle poisoning past tense poisoned past participle poisoned

1)

a) to kill someone or make them very ill by giving them poison

He was suspected of poisoning his wife.

b) to put poison into food or drink because you want to kill someone or make them ill

They have threatened to poison the city's drinking water.

2) to create pollution that damages part of the environment

Waste from the factories is poisoning the water supply.

3) to have a bad influence on something

The decision had poisoned relations between Britain and France.

poison someone's mind:

Do you believe that television is poisoning the minds of our children?

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- poison someone's mind against someone