unsuccessfully

adv

1. Not successfully; without success; to no avail.

   “Thereafter the route of the original line was followed to the harbour, beyond which an extension, a third of a mile long, led to the salt pans and a newly constructed inn, the "Stafford Arms", where Lady Stafford tried unsuccessfully to educate the locals to drink beer instead of a strong whisky.”

   “He’s like more successful but equally morally abhorrent right-wing undercover operative James O’Keefe’s non-union Mexican equivalent, a dunce whose one move involves incompetently attempting to frame figures of seemingly unimpeachable moral integrity, like Robert Mueller or good old Mayor Pete, as deviant sex criminals like Wohl’s God Donald Trump by unsuccessfully trying to get people to come forward with bogus sexual assault allegations.”