adj. 25B6; adjective
barbaric crimes : BRUTAL, barbarous, brutish, bestial, savage, vicious, wicked, cruel, ruthless, merciless, villainous, murderous, heinous, monstrous, vile, inhuman, infernal, dark, fiendish, diabolical.
barbaric cultures : SAVAGE, barbarian, primitive, heathen, wild, brutish, Neanderthal.
civilized.