Definitions of burst:

• noun:   a sudden flurry of activity (often for no obvious reason)

  Example: "A burst of applause"

• noun:   the act of exploding or bursting something

  Example: "The burst of an atom bomb creates enormous radiation aloft"

• noun:   a sudden violent happening

  Example: "An outburst of heavy rain"

• noun:   rapid simultaneous discharge of firearms
• verb:   break open or apart suddenly

  Example: "The bubble burst"

• verb:   break open or apart suddenly and forcefully

  Example: "The dam burst"

• verb:   emerge suddenly

  Example: "The sun burst into view"

• verb:   move suddenly, energetically, or violently

  Example: "He burst out of the house into the cool night"

• verb:   be in a state of movement or action
• verb:   burst outward, usually with noise
• verb:   force out or release suddenly and often violently something pent up
• verb:   cause to burst
• adjective:   suddenly and violently broken open especially from internal pressure (`busted' is an informal term for `burst')

  Example: "A burst balloon"