ferocious, intense, spirited, feisty, relentless, unrelenting, vehement, vigorous, stiff, vicious, vociferous, tenacious, withering, savage, bitter, fiery, furious, strident, brutal, heated, tough, strong, frenzied, fervent, fearsome, torrid, cutthroat, merciless, ruthless, titanic, formidable, unyielding, fearless, implacable, harsh, staunch, stormy, sharp, frenetic, uncompromising, unceasing, prickly, scorching, fevered, doughty, grueling, protracted, impassioned, rancorous, zealous, acrimonious, thunderous, steely, unforgiving, lively, fervid, brave, indomitable, heightened, tigerish, unflagging, blazing, feverish, scrappy, combative, stinging, tense, hellacious, undiminished, forceful, unbending, tempestuous, passionate, testy, tireless, nasty, resolute, rumbustious, persistent, outspoken, stubborn, tumultuous, resurgent, gutsy, dauntless, ardent, cagey, fractious, heavy, unswerving, raucous, aggressive, tetchy, unmerciful, vitriolic, boisterous, valiant, instinctive, skilful, pugnacious, massive, ceaseless, bordering, direct, faulty, fright, idolatry, keen, rake, rude, stile, vulgar, yonder, 3s, alarms, alarum, alight, aprons, asperity, bad, beck, benches, fiercest, fiercer, embittered, murderous, sullen, obstinate, violent, fratricidal

., arrogantly, baleful, bulldog ant, contention, cuon alpinus, dhole, ferociously, fiercely, gamecock, harpy, hell-kite, hell-rooster, hellcat, jealousy, mackerel shark, pitched battle, tiger, vixen, white-hot, wind, wrestle

boisterous, bowelless, cutthroat, ferocious, furious, intense, merciless, rough, savage, stormy, tearing, unmerciful, vehement, violent