Sudden rise (4)
I believe the answer is:
jump
(Other definitions for jump that I've seen before include "Leap, bound" , "Hurdle" , "Attack" , "React with surprise" , "Vault, bound" .)
I believe the answer is:
jump
(Other definitions for jump that I've seen before include "Leap, bound" , "Hurdle" , "Attack" , "React with surprise" , "Vault, bound" .)