(a.) Fierce; savage; wild; indicating cruelty; as, ferocious look or features; a ferocious lion\.

Draconian Tartarean abandoned aggressive amok animal antagonistic anthropophagous atrocious barbaric barbarous battling beastly bellicose belligerent bellowing berserk bestial bloodthirsty bloody bloody-minded brutal brutalized brute brutish cannibalistic carried away chauvinist chauvinistic combative contentious cruel cruel-hearted delirious demoniac demoniacal destructive devilish diabolic diabolical distracted ecstatic enemy enraptured fell feral ferine fiendish fiendlike fierce fighting frantic frenzied full of fight fulminating furious grim haggard hawkish hellish hog-wild hostile howling hysterical implacable in a transport in hysterics infernal inhuman inhumane inimical intoxicated jingo jingoish jingoist jingoistic kill-crazy mad madding malign malignant maniac martial merciless militant militaristic military monstrous murderous noncivilized offensive orgasmic orgiastic pitiless possessed predatory pugnacious quarrelsome rabid raging ramping ranting rapacious ravening ravenous raving ravished relentless roaring running mad ruthless saber-rattling sadistic sanguinary sanguineous satanic savage scrappy sharkish slavering soldierlike soldierly storming subhuman tameless transported trigger-happy truculent unchristian uncivilized uncontrollable unfriendly ungentle unhuman unpacific unpeaceable unpeaceful untamed vicious violent voracious warlike warmongering warring wild wild-eyed wild-looking wolfish