poison
/ˈpɔɪz(ə)n/noun
Definitions
A substance that is harmful or lethal to a living organism.
Example: We used a poison to kill the weeds.
Something that harms a person or thing.
Example: Gossip is a malicious poison.
A drink; liquor.
Example: — I'll have a glass of whisky.
Any substance that inhibits catalytic activity.
verb
Definitions
To use poison to kill or paralyse (somebody).
Example: The assassin poisoned the king.
To pollute; to cause to become poisonous.
Example: That factory is poisoning the river.
To cause to become much worse.
Example: He poisoned the mood in the room with his non-stop criticism.
To cause (someone) to hate or to have unfair negative opinions.
Example: She's poisoned him against all his old friends.