a sudden breaking out or occurrence; eruption

the outbreak of war.

a sudden and active manifestation

an outbreak of hives.

an outburst

an outbreak of temper.

an insurrection, revolt, or mutiny.

a public disturbance; riot.

noun

conclusion , end , finale

noun

beginning , blowup , brawl , break , breaking , burst , bursting , commencement , commotion , convulsion , crack , crash , dawn , detonation , discharge , disorder , disruption , ebullition , effervescence , epidemic , eruption , explosion , fit , flare-up , flash , fury , gush , gushing , insurrection , irruption , mutiny , onset , outburst , outpouring , paroxysm , plague , rebellion , rending , revolution , roar , sally , sortie , spasm , spurt , storm , sundering , surge , thunder , tumult , uprising , volley , rash , access , gust , conflict , revolt , riot , ruckus