Increase with sudden force (5)
I believe the answer is:
surge
(Other definitions for surge that I've seen before include "Sudden upward movement" , "Sudden increase, gush" , "Well up" , "Sudden flow" , "Powerful rush (of emotion)" .)
I believe the answer is:
surge
(Other definitions for surge that I've seen before include "Sudden upward movement" , "Sudden increase, gush" , "Well up" , "Sudden flow" , "Powerful rush (of emotion)" .)