poisoning
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.
noun
Definitions
The administration of a poison.
The state of being poisoned.