Definition of "poison" in Anglais

Noun

1. A substance that is harmful or lethal to a living organism when ingested.

   • We used a poison to kill the weeds.

2. Anything harmful to a person or thing.

   • Gossip is a malicious poison.

3. An alcoholic drink. (Mainly in the phrases "name your poison" and "what's your poison?")

   • — What's your poison?— I'll have a glass of whiskey.

4. Any substance that inhibits catalytic activity.

Verb

1. To use poison to kill or paralyse (somebody).

   • The assassin poisoned the king.

2. To pollute; to cause to become poisonous.

   • That factory is poisoning the river.

3. To cause to become much worse.

   • Suspicion will poison their relationship.
   • He poisoned the mood in the room with his non-stop criticism.

4. To cause (someone) to hate or to have unfair negative opinions.

   • She's poisoned him against all his old friends.

5. To inhibit the catalytic activity of.

6. To place false or malicious data into (a cache, etc.) as part of an exploit.