poisoner

/ˈpɔɪzənər/
noun
  1. A person who deliberately puts poison into food, drink, or the environment to harm or kill someone or something.
    • The historical poisoner used a rare plant extract that was nearly undetectable.
    • In the mystery novel, the poisoner was a trusted servant who had a secret grudge.
    • The detective finally caught the poisoner who had been adding arsenic to the victim's tea.
Antonyms
What does "poisoner" mean? | whatsthatwordmean | whatsthatwordmean