fierce; cruel; savagely brutal.

brutally harsh; vitriolic; scathing

his truculent criticism of her work.

aggressively hostile; belligerent.

adjective

cooperative , gentle , mild , nice , tame

adjective

abusive , aggressive , antagonistic , bad-tempered , barbarous , bellicose , browbeating , brutal , bullying , caustic , combative , contentious , contumelious , cowing , cross , defiant , ferocious , fierce , frightening , harsh , hostile , inhuman , inhumane , intimidating , invective , mean , militant , mordacious , mordant , obstreperous , opprobrious , ornery * , pugnacious , quarrelsome , rude , savage , scathing , scrappy , scurrilous , sharp , sullen , terrifying , terrorizing , trenchant , violent , vituperative , vituperous , warlike , acerbic , acid , acidic , acrid , astringent , corrosive , cutting , pungent , slashing , stinging , vitriolic , bestial , cruel , fell , feral , vicious , wolfish , belligerent , rough , surly