Attemptress
Noun. A female who is adept at attempting something without ever really succeeding.
Despite all of her efforts at healthcare reform, the Speaker, at the end of the day, cannot get anything moving forward and is, ultimately, just a master attemptress.
She kept trying and trying and trying to garner favor at work, but the attemptress never quite made any headway.
She kept trying and trying and trying to garner favor at work, but the attemptress never quite made any headway.