Venomous

adjective

1. Full of venom.

   "The villain tricked him into drinking the venomous concoction."

2. Toxic; poisonous.
3. Noxious; evil.
4. Malignant; spiteful; hateful.

   "His attitude toward me is utterly venomous."

5. Producing venom (a toxin usually injected into an enemy or prey by biting or stinging) in glands or accumulating venom from food.

   "Do venomous spiders have glands?"