Antonyms of adj nonviolent

2 senses of nonviolent

Sense 1
nonviolent (vs. violent) -- (abstaining (on principle) from the use of violence)

violent (vs. nonviolent) -- (acting with or marked by or resulting from great force or energy or emotional intensity; "a violent attack"; "a violent person"; "violent feelings"; "a violent rage"; "felt a violent dislike")
        => convulsive -- (resembling a convulsion in being sudden and violent; "a convulsive rage"; "convulsive laughter")
        => ferocious, fierce, furious, savage -- (marked by extreme and violent energy; "a ferocious beating"; "fierce fighting"; "a furious battle")
        => hot, raging -- (characterized by violent and forceful activity or movement; very intense; "the fighting became hot and heavy"; "a hot engagement"; "a raging battle"; "the river became a raging torrent")
        => knockdown-dragout, knock-down-and-drag-out -- (extremely violent; "a knock-down-and-drag-out fight")
        => lashing -- (violently urging on by whipping or flogging; "looked at the lashing riders")
        => lurid -- (horrible in fierceness or savagery; "lurid crimes"; "a lurid life")
        => rampageous -- (displaying raging violence; often destructive; "the hot rampageous horses of my will"- W.H.Auden)
        => ruffianly, tough -- (violent and lawless; "the more ruffianly element"; "tough street gangs")
        => slam-bang -- (violent and sudden and noisy; "a slam-bang collision")

Sense 2
nonviolent, unbloody -- (achieved without bloodshed; "an unbloody transfer of power")

INDIRECT (VIA bloodless) -> bloody -- (having or covered with or accompanied by blood; "a bloody nose"; "your scarf is all bloody"; "the effects will be violent and probably bloody"; "a bloody fight")

Similarity of adj nonviolent

2 senses of nonviolent

Sense 1
nonviolent (vs. violent) -- (abstaining (on principle) from the use of violence)
       => passive, peaceful -- (peacefully resistant in response to injustice; "passive resistance")
          Also See-> peaceful#1, peaceable#2; unprovocative#1, unprovoking#1

Sense 2
nonviolent, unbloody -- (achieved without bloodshed; "an unbloody transfer of power")
       => bloodless (vs. bloody) -- (free from blood or bloodshed; "bloodless surgery"; "a bloodless coup")