WordNet sense 1 (a sudden violent happening):

outburst, flare-up

WordNet sense 2 (be in a state of movement or action):

abound, bristle

WordNet sense 3 (cause to burst):

collapse

WordNet sense 4 (force out or release suddenly and often violently something pent up):

break, erupt

WordNet sense 5 (rapid simultaneous discharge of firearms):

fusillade, salvo, volley

WordNet sense 6 (suddenly and violently broken open especially from internal pressure (`busted' is an informal term for `burst')):

busted, ruptured

WordNet sense 7 (harmed or injured or spoiled):

damaged

WordNet sense 8 (a sudden flurry of activity (often for no obvious reason)):

fit

WordNet sense 9 (the act of exploding or bursting something):

explosion

WordNet sense 10 (break open or apart suddenly and forcefully):

bust

WordNet sense 11 (break open or apart suddenly):

split, break open

WordNet sense 12 (burst outward, usually with noise):

explode