poisoning

/P OY1 Z AH0 N IH0 NG/
verb
  1. 1

    To use poison to kill or paralyse (somebody).

    โ€œThe assassin poisoned the king.โ€

  2. 2

    To pollute; to cause to become poisonous.

    โ€œThat factory is poisoning the river.โ€

  3. 3

    To cause to become much worse.

    โ€œHe poisoned the mood in the room with his non-stop criticism.โ€

  4. 4

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

    โ€œShe's poisoned him against all his old friends.โ€

  5. 5

    To inhibit the catalytic activity of.

  6. 6

    To place false information into (a cache) as part of an exploit.

noun
  1. 1

    The administration of a poison.

  2. 2

    The state of being poisoned.

Source: https://en.wiktionary.org/wiki/poison, https://en.wiktionary.org/wiki/poisoning