Crossword clues for Burst of activity. 6 lettersAnswerClueSPASMSBurst of activity.SPASMSBursts of activitySPASMSSudden bursts of activity.STIRBurst of activitySPASMBrief burst of activity.SPASMSudden burst of activity.SPASMShort burst of activity.RUSHSudden burst of activityFITSBursts of activitySPASMBurst of activitySPURTBurst of activity