A sudden outbreak or increase in activity or emotion. There was a burst of laughter from the audience.
A sudden, brief spell of energy or activity. He finished the race with a burst of speed.
An instance of something breaking open or apart suddenly and violently. The pipe had a burst, causing water to flood the basement.
A series of shots fired from a gun in quick succession. The soldier fired a burst from his automatic rifle.
A sudden flash or display of light, flame, sound, or other sensation. A burst of fireworks lit up the night sky.