- barbarous, brutal, cruel, fell, roughshod, savage, vicious - (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"
Antonym: humane (indirect, via inhumane)
- barbarous - primitive in customs and culture
Antonyms: civilized, civilised (indirect, via noncivilized)