ferocious, formidable, menacing, brutish, monstrous, beastly, merciless, potent, mighty, terrifying, bloodthirsty, ruthless, demonic, vicious, indomitable, savage, powerful, lethal, fearless, brutal, implacable, peerless, meanest, titanic, marauding, devilish, unstoppable, fiendish, frightening, doughty, diabolical, fiercest, feisty, tenacious, wily, beefy, redoubtable, unconquerable, imperious, enigmatic, burly, mortal, murderous, wicked, irrepressible, pugnacious, multiheaded, daunting, brawny, hellacious, steely, ratlike, unmerciful, swashbuckling, musclebound, vanquished, invincible, frightful, remorseless, maniacal, cunning, prodigious, notorious, legendary, fabled, stout, freakish, reptilian, overpowering, dangerous, mesmerizing, superhuman, pocket battleship, diminutive, venomous, vaunted, pugilistic, toothy, tentacled, impregnable, norn, fleetest, snarly, tormenting, docile, hellish, ominous, malevolent, unforgiving, hirsute, fleshless, nasty, relentless, tusked, pitiless, carnivorous, mercurial, dastardly, ravenous, cocksure, dazzling, tigerish, articulate, blind, boyish, burnt, bushels, drunken, feminine, gallant, grand, hard, human, loved, mocking, open, paternal, racist, real, safe, sunken, tender, awesome, strange, hideous, scary, captivating, hateful, uncouth, disgusting, ghoulish, nightmarish, soulless, weird, alluring, enchanting, grotesque, loathsome

fearsomely, witch's brew, witches' brew, witches' broth

alarming, awful, dire, direful, dread, dreaded, dreadful, fearful, horrendous, horrific, terrible