envenom
/ɪnˈvɛnəm/
verb
- To put poison into something; to make poisonous.
- Some spiders envenom their victims to immobilize them.
- The assassin attempted to envenom the king's drink.
- The snake can envenom its prey with a single bite.
- To fill with bitterness, hatred, or malice.
- The politician's speech envenomed the debate, turning it into a shouting match.
- Gossip can envenom friendships if left unchecked.
- Years of rivalry had envenomed their relationship beyond repair.
Antonyms