savage

An uncivilized or feral human; a barbarian.

A defiant person.

To attack or assault someone or something ferociously or without restraint.

"No matter how anyone might savage me, I should stay strong."

To criticise vehemently.

"His latest film was savaged by most reviewers."

(of an animal) To attack with the teeth.

To make savage.

Wild; not cultivated.

"a savage wilderness"

Barbaric; not civilized.

"savage manners"

Fierce and ferocious.

"a savage spirit"

Brutal, vicious or merciless.

"He gave the dog a savage kick."