Become smaller gradually (7)
I believe the answer is:
dwindle
(Other definitions for dwindle that I've seen before include "Decline" , "(Flow) decrease" , "Peter out" , "Degenerate" , "'Die down, grow less (7)'" .)
I believe the answer is:
dwindle
(Other definitions for dwindle that I've seen before include "Decline" , "(Flow) decrease" , "Peter out" , "Degenerate" , "'Die down, grow less (7)'" .)