(a.) Having a cruel, ferocious disposition; bloodthirsty.

abrupt active acute adventuresome adventurous ambitious animated antagonistic assertive battling bearish beastly bellicose belligerent bickering bloodthirsty bloody bloody-minded bluff blunt bold brash brisk brusque cavalier chauvinist chauvinistic churlish combative contentious crusty curt disputatious divisive domineering driving dynamic enemy energetic enterprising enthusiastic eristic factional factious ferocious fierce fighting forceful forcible forward full of fight full of pep go-ahead go-go gruff hard-hitting harsh hawkish hearty hostile hustling imperious impetuous incisive inimical intense irascible irritable jingo jingoish jingoist jingoistic keen kinetic litigious lively living lusty martial masterful mettlesome militant militaristic military offensive on the offensive partisan peppy polarizing polemic pugnacious pushful pushing pushy quarrelsome robust rough saber-rattling sanguinary sanguineous savage scrappy self-assertive severe sharp short shrewish smacking snappy snippy soldierlike soldierly spanking spirited strenuous strong surly take-charge take-over tough trenchant trigger-happy truculent unfriendly unpacific unpeaceable unpeaceful up-and-coming venturesome venturous vibrant vigorous vivacious vivid warlike warmongering warring wrangling zestful zesty zippy