Of an animal (specifically a snake) or parts of its body: producing venom (“a toxin intended for defensive or offensive use”) which is usually injected into an enemy or prey by biting or stinging; hence, of a bite or sting: injecting venom.

Of or pertaining to venom.

(archaic) Consisting of, or containing or full of, venom or some other poison; hence, harmful to health due to this.

An adjective that describes something as posing a threat, dangerous, threatening, hateful, malignant, or spiteful.

An adjective "venomous" represents something that is dosed with poison, harmful, injurious, morally or spiritually harmful, evil, noxious, or pernicious.