venomous

adjective7

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.

   • Do venomous spiders have glands?
2. •
   (figurative) Hateful; malignant; spiteful.

   • His attitude toward me is utterly venomous.
3. •
   (figurative) Posing a threat; dangerous, threatening.

   • Arsenal pressed forward again after half-time but other than a venomous [Theo] Walcott shot that [Tim] Howard repelled with a fine one-handed save, the hosts offered little cutting edge. — 2011
4. •
   Of or pertaining to venom.
5. •
   (figurative, no longer used) Harmful, hurtful, injurious; specifically, morally or spiritually harmful; evil, noxious, pernicious.

   • […] I vvill at large proue, that ther is nothinge in loue more venemous then méeting, vvhich filleth the minde with griefe, and the body vvith diseases: […] — 1580
6. •
   (no longer used) Consisting of, or containing or full of, venom or some other poison; hence, harmful to health due to this.

   • The villain tricked him into drinking the venomous concoction.
7. •
   (no longer used) Of a weapon such as an arrow or dart: dosed with venom or poison; envenomed, poisoned.