1. (a.) Fierce; savage; ferocious; barbarous; as, the truculent inhabitants\.

2. (a.) Cruel; destructive; ruthless.

Draconian Tartarean abrupt aggressive animal antagonistic anthropophagous atrocious bad-tempered barbaric barbarous battling bearish beastly bellicose belligerent bestial bloodthirsty bloody bloody-minded bluff blunt brash browbeating brusque brutal brutalized brute brutish bullying cannibalistic cavalier chauvinist chauvinistic churlish combative contentious contumelious cowing cruel cruel-hearted crusty curt demoniac demoniacal devilish diabolic enemy fell feral ferocious fiendish fiendlike fierce fighting frightening full of fight grim gruff harsh hawkish hellish hostile ill-tempered infernal inhuman inhumane inimical intimidating invective jingo jingoish jingoist jingoistic martial militant militaristic military murderous nasty obstreperous offensive opprobrious pugnacious quarrelsome rough rude ruthless saber-rattling sadistic sanguinary sanguineous satanic savage scathing scrappy scurrile scurrilous severe sharkish sharp short slavering snippy soldierlike soldierly subhuman sullen surly terrifying terrorizing trigger-happy unchristian uncivilized unfriendly unhuman unpacific unpeaceable unpeaceful unpleasant vicious violent virulent vituperative warlike warmongering warring wolfish