venomous
adj//ˈvɛnəməs//giftig
Of an animal (specifically a snake) or parts of its body: producing venom which is usually injected into an enemy or prey by biting or stinging; hence, of a bite or sting: injecting venom.
(archaic) Consisting of, or containing or full of, venom or some other poison; hence, harmful to health due to this.