Antonyms of adj barbarous

2 senses of barbarous

Sense 1
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")

INDIRECT (VIA inhumane) -> humane -- (marked or motivated by concern with the alleviation of suffering)

Sense 2
barbarous -- (primitive in customs and culture)

INDIRECT (VIA noncivilized) -> civilized, civilised -- (having a high state of culture and development both social and technological; "terrorist acts that shocked the civilized world")

Similarity of adj barbarous

2 senses of barbarous

Sense 1
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")
       => inhumane (vs. humane) -- (lacking and reflecting lack of pity or compassion; "humans are innately inhumane; this explains much of the misery and suffering in the world"; "biological weapons are considered too inhumane to be used")

Sense 2
barbarous -- (primitive in customs and culture)
       => noncivilized (vs. civilized), noncivilised -- (not having a high state of culture and social development)