Synonyms and related words :
Gothic, Neanderthal, animal, atrocious, barbarian, barbaric, barbarous, bestial, bloody, brutal, brutish, feral, ferine, ferocious, fierce, ill-bred, impolite, inhuman, kill-crazy, malign, malignant, merciless, murderous, noncivilized, outlandish, pitiless, primitive, rough-and-ready, ruthless, sanguinary, savage, tameless, troglodytic, unbroken, uncivil, uncivilized, uncombed, unconquered, uncontrollable, uncouth, uncultivated, uncultured, undomesticated, unenthralled, ungentle, ungoverned, unkempt, unlicked, unpolished, unquelled, unrefined, unsubdued, unsubject, unvanquished, vicious, wild