To no __: unsuccessfully (5)
I believe the answer is:
avail
(Other definitions for avail that I've seen before include "(Of no) use or benefit" , "Serve a purpose" , "Use to one's advantage" , "Help, benefit" , "Medal (informal)" .)
I believe the answer is:
avail
(Other definitions for avail that I've seen before include "(Of no) use or benefit" , "Serve a purpose" , "Use to one's advantage" , "Help, benefit" , "Medal (informal)" .)