savage
adj//ˈsævɪd͡ʒ//vild, barbarisk, ociviliserad, okultiverad, grym, brutal, vilde, barbar
Wild; not cultivated or tamed.
Barbaric; not civilized.
Brutal, vicious, or merciless.
(historical, now, pejorative, ) A person not living in a civilization; a barbarian.