venemous, vicious, vitriolic, poisonous, vituperative, spiteful, ferocious, virulent, intemperate, caustic, vile, puff adder, hateful, bilious, green mamba, nasty, accusatory, canebrake rattlesnake, stinging, rabid, barbed, gaboon viper, spitting cobra, menacing, lethal, loathsome, black mamba, cicada killer, gila monster, sarcastic, bloodthirsty, biting, fearsome, contemptuous, savage, tiger rattlesnake, coral snake, feral, pestilent, fiery, vindictive, vehement, cottonmouth, scurrilous, snide, slanderous, beaded lizard, unstatesmanlike, acerbic, undiplomatic, feisty, docile, wicked, pit viper, splenetic, shrill, carnivorous, prickly, noxious, taloned, ad hominem, wrathful, lacerating, reptilian, incendiary, stonefish, tactless, uncivil, strident, redback spider, obnoxious, bellicose, indignant, murderous, exocet, ravening, meanspirited, comical, scathing, spiny, viperous, profane, combative, vengeful, honey badger, vociferous, egyptian cobra, condescending, antagonistic, waspish, sparrow hawk, excitable, predatory, nonpoisonous, condemnatory, nonvenomous, forceful, unkind, predacious, timber rattlesnake, uncomplimentary, columba livia, envenomed, resentful, wolfish, envious, eyeless, natured, reproachful, secretive, shy

., acanthophis antarcticus, agkistrodon piscivorus, australian coral snake, bitis gabonica, black widow, bothrops atrops, cantankerous, cerastes, cerastes cornutus, cobra, copperhead, coral snake, cottonmouth, cottonmouth moccasin, death adder, denisonia superba, eagle ray, elapid, elapid snake, family helodermatidae, family mobulidae, fang, fer-de-lance, gaboon viper, genus heloderma, genus latrodectus, genus pseudechis, hamadryad, harlequin-snake, heloderma, helodermatidae, hemachatus haemachatus, horned asp, horned viper, invective, king cobra, krait, latrodectus, latrodectus mactans, lyre snake, mobulidae, naja hannah, new world coral snake, notechis scutatus, old world coral snake, ophidian, ophiophagus hannan, oxyuranus scutellatus, pseudechis, rhynchoelaps australis, ringhals, rinkhals, sand viper, scorpion, scorpionfish, scorpion fish, scorpion fly, sea scorpion, sea snake, serpent, snake, snakebite, spitting snake, stingray, stonefish, synanceja verrucosa, taipan, tarantula, tiger snake, venomous lizard, viper, vitriol, vituperation, water moccasin

acerb, acerbic, acid, acrid, bitter, blistering, caustic, deadly, malevolent, malicious, poisonous, sulfurous, sulphurous, toxic, unpleasant, vicious, virulent, vitriolic