Nonviolent means refusing to use force. Nonviolent protest, nonviolent resistance, a nonviolent offence.
Nonviolent resistance is a strategy rather than merely a restraint, and the research is that campaigns using it succeed more often than armed ones. In criminal justice, a nonviolent offence is a legal category that decides sentencing.
1adjectivenonviolentRefusing to use force.
“The students held a nonviolent protest, sitting silently in front of the town hall.”
nonviolent is a quality.
non-violent comes from non- + violent.
Etymology from Wiktionary, CC BY-SA