What does "unsuccessfully" mean?
Not successfully; without success; to no avail.
adv ·Rare ·Advanced level
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"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."
"He tried unsuccessfully to domineer over his office workers."
Not successfully; without success; to no avail.
Common synonyms include: badly, fruitlessly, futilely, ineffectively, unproductively, vain.
He tried unsuccessfully to domineer over his office workers.
Pronounced /ˌʌnsəkˈsɛsfəli/.
From unsuccessful + -ly or un- + successfully.