To no _____ (5)
I believe the answer is:
avail
(Other definitions for avail that I've seen before include "(Of no) use or benefit" , "Make use, take advantage" , "Use to one's advantage" , "Medal (informal)" , "Be useful" .)
I believe the answer is:
avail
(Other definitions for avail that I've seen before include "(Of no) use or benefit" , "Make use, take advantage" , "Use to one's advantage" , "Medal (informal)" , "Be useful" .)