1 : ruthless in competition; "cutthroat competition"; "bowelless readiness to take advantage"
2 : wild and menacing; "a pack of feral dogs"
3 : (of persons or their actions) able or disposed to inflict pain or suffering; "a barbarous crime"; "brutal beatings"; "cruel tortures"; "Stalin's roughshod treatment of the kulaks"; "a savage slap"; "vicious kicks"
