venomous

Meanings

1. 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.
2. Of or pertaining to venom.
3. Consisting of, or containing or full of, venom or some other poison; hence, harmful to health due to this.
4. Posing a threat; dangerous, threatening.
5. Hateful; malignant; spiteful.
6. Of a weapon such as an arrow or dart: dosed with venom or poison; envenomed, poisoned.
7. Harmful, hurtful, injurious; specifically, morally or spiritually harmful; evil, noxious, pernicious.

Etymology

From Middle English venymous, from Old French venimos, composed of venim (“venom”) + -os (adjective-forming suffix). Synchronically analysable as venom + -ous. Compare Modern French venimeux. Piecewise doublet of venenous.