Start to sag (5)
I believe the answer is:
droop
(Other definitions for droop that I've seen before include "Go limp" , "Sag, wilt" , "languish" , "be despondent" , "sink" .)
I believe the answer is:
droop
(Other definitions for droop that I've seen before include "Go limp" , "Sag, wilt" , "languish" , "be despondent" , "sink" .)