Describing an action:
* Suddenly: Suddenly burst into laughter.
* Quickly: Quickly burst out the door.
* Loudly: Loudly burst into song.
* Openly: Openly burst into tears.
* Forth: Burst forth from the shadows.
* Out: Burst out of the building.
* In: Burst in on their private conversation.
* Through: Burst through the barricades.
Describing an object:
* Water: Water burst from the broken pipe.
* Light: Light burst from the flashbulb.
* Color: Color burst across the canvas.
* Bubbles: Bubbles burst on the surface of the water.
Describing an emotion:
* Into: Burst into tears.
* With: Burst with joy.
* Out: Burst out laughing.
Describing a situation:
* Break: The dam broke and the water burst out.
* Inflation: Prices burst through the roof.
* Demand: Demand burst through the supply.
These are just a few examples. The words you choose will depend on the specific situation you're describing.