Synonyms for Violent:

adj.

all (adjective)
wild.
dangerous (adjective)
ugly.
destructive (adjective)
furious, agitated, distraught, passionate, raging, coercive, mighty, savage, desperate, mad, brutal, fierce, great, bloodthirsty, forcible, impassioned, hysterical, homicidal, vehement, frantic, potent, murderous, forceful, urgent, inflamed, wild, riotous, disturbed, strong, powerful.
evil (adjective)
demonic.
forcible (adjective)
coercive, forcible.
murderous (adjective)
homicidal.
rough (adjective)
roily, roiled.
severe (adjective)
severe.
severe, extreme (adjective)
agonizing, intense, outrageous, turbulent, biting, terrible.
violent (adjective)
fighting, brawling, frenzied, wild, ferocious, fierce, abusive, outrageous, savage, intense, uproarious, raging, tumultuous, broiling, vehement, assaultive, furious.

n.

desperate, riotous, barbarous, disorderly, terrible, big, bloodthirsty, thuggish. roily, stormy, dirty, rugged, turbulent, heavy, roiled, ugly. harsh (noun)
drastic, stringent, hard, severe.
intense (noun)
great, extreme.
violent (noun)
knockdown-dragout, furious, lashing, ruffianly, fierce, knock-down-and-drag-out, bloody, savage, tearing, wild, crimson, rampageous, red, tough, hot, lurid, unnatural, terrorist, trigger-happy, raging, vehement, intense, convulsive, ferocious.

Other synonyms:

disorderly, roiled, extreme, riotous. murderous, terrible, roily, strong-arm. dirty, desperate, brutal. rugged. heavy. coercive
forcible.
frenzied
demonic.
intense
passionate.
murderous
homicidal.
riotous
turbulent.

Usage examples for violent

  1. She felt the same violent start in him. – The U.P. Trail by Zane Grey
  2. Even his violent attack on women in Sat. – The Student's Companion to Latin Authors by George Middleton Thomas R. Mills
  3. She was just the kind of violent girl who would do a thing like that. – The Secret Passage by Fergus Hume