- 1poison somebody/yourself (with something) to harm or kill a person or an animal by giving them poison In the last chapter, she poisons herself with arsenic. Thousands are at risk of being poisoned by fumes from faulty heaters.
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- 2poison something to put poison in or on something a poisoned arrow Someone had been poisoning his food. Large sections of the river have been poisoned by toxic waste from factories. Exhaust fumes are poisoning our cities.
- 3poison something to have a bad effect on something His comment served only to poison the atmosphere still further. She succeeded in poisoning their minds against me.
poison
verbNAmE//ˈpɔɪzn//
Verb Forms present simple I / you / we / they poison he / she / it poisons
past simple poisoned
-ing form poisoning
Check pronunciation: poison