1.Definition: (of persons or their actions) able or disposed to inflict pain or suffering

"A savage slap"

Related Adjective(s):barbarous, brutal, cruel, fell, roughshod, vicious

2.Definition: marked by extreme and violent energy

Related Adjective(s):ferocious, fierce, furious

3.Definition: wild and menacing

Related Adjective(s):feral, ferine

4.Definition: without civilizing influences

"A savage people"

Related Adjective(s):barbarian, barbaric, uncivilised, uncivilized, wild