fatal, lethal, dangerous, devastating, destructive, horrific, violent, murderous, terrifying, poisonous, tragic, grisly, ebola hemorrhagic fever, catastrophic, nonfatal, frightening, vicious, brutal, superstrain, gruesome, virulent, bloody, nasty, perilous, septicemic, ferocious, noncontagious, horrifying, potent, stomach flu, sickening, eradicable, debilitating, bombardier beetle, mysterious, calamitous, disastrous, fearsome, fiery, amebic dysentery, bubonic, toxic, ghastly, stonefish, explosive, brazen, cerebrospinal meningitis, enteric fever, osmium tetroxide, deathly, west nile virus, hellish, savage, mojave rattlesnake, venomous, hazardous, powerful, ebola virus, rare, windborne, harrowing, noxious, ravaged, unpredictable, uss cole, dead, itch mite, threatening, ethyl ether, severe, unpreventable, ebola fever, chaotic, relapsing fever, incendiary, insidious, accidental, resistant, causeless, nonexplosive, salmonella typhi, suicide bombing, bacillus anthracis, sulfur mustard, death toll, fateful, tapeworm infection, serious, treacherous, damaging, chilling, lymphogranuloma venereum, fetid, thermobaric bomb, unsettling, paratyphoid fever, chlamydia psittaci, heptyl, terrible, wicked, horrendous, inhalational, deadlier, deadliest, mortal, unrelenting, dealing, desolating, rancorous, bitter, contagious, fell, incapacitating

acedia, affaire d'honneur, aggravated assault, aksa martyrs brigades, al-aksa martyrs brigades, anger, aum, avarice, avaritia, baleful, baneful, big blue, blu-82, cicuta, clostridial myonecrosis, covetousness, crotalus adamanteus, deadliness, diamondback, diamondback rattlesnake, domoic acid, duel, emphysematous gangrene, emphysematous phlegmon, entoloma lividum, entoloma sinuatum, envy, gangrenous emphysema, gas gangrene, gas phlegmon, genus cicuta, gluttony, greed, gula, invidia, ira, ire, laziness, lethality, life-support system, life support, lust, luxuria, martyrs of al-aqsa, mortala, overeating, pride, progressive emphysematous necrosis, proliferation, rapacity, shipping fever, shipping pneumonia, sloth, superbia, wrath

baneful, deathly, deucedly, devilishly, fatal, harmful, insanely, lethal, lifelessly, madly, mortal, noxious, pernicious, pestilent, toxic, unpardonable, venomous, virulent