Venom

Matter fatal or injurious to life; poison; particularly, the poisonous, the poisonous matter which certain animals, such as serpents, scorpions, bees, etc., secrete in a state of health, and communicate by thing or stinging.

Spite; malice; malignity; evil quality. Chaucer.

To infect with venom; to envenom; to poison.

feeling a need to see others suffer

toxin secreted by animals; secreted by certain snakes and poisonous insects (e.g., spiders and scorpions)