Difference between Failing and Unsuccessful

FAILING vs UNSUCCESSFUL: NOUN

Failure to reach a minimum required performance
The act of a person or thing that fails; a failure.
A minor fault.
The act or condition of one who fails; imperfection; weakness; fault.
Synonyms Foible, imperfection, shortcoming, weakness, infirmity.
A failing short; a becoming deficient; failure; deficiency; imperfection; weakness; lapse; fault; infirmity.
The act of becoming insolvent of bankrupt.
Weakness; defect
A flaw or weak point

Lacking, Ignoring, Neglecting, Inability, Refusing, Failure, Retrograde, Regressive, Retrogressive, Weakness, Regressing, Unsuccessful, Declining, Deteriorating, Unsatisfactory

Losing, Unrewarded, Unfulfilled, Unplaced, Undone, Disappointed, Defeated, Frustrated, Failing, Foiled, Attempted, Thwarted, Unfruitful, Failed, Abortive

Lacking, Ignoring, Neglecting, Inability, Refusing, Failure, Retrograde, Regressive, Retrogressive, Weakness, Regressing, Unsuccessful, Declining, Deteriorating, Unsatisfactory

Losing, Unrewarded, Unfulfilled, Unplaced, Undone, Disappointed, Defeated, Frustrated, Failing, Foiled, Attempted, Thwarted, Unfruitful, Failed, Abortive

Panel: Can Trump SAVE His Failing Presidential Campaign?
My failing grades at midterm showed me otherwise.
Failing to build rapport between interviewer and interviewee.
We are failing, and we are failing that badly.
The government is failing us, the jobs are failing us.
You can omit this step if a large number of critical paths are failing, or if the paths are failing badly.
According to it, Greece is in breach for failing to attend meetings, for failing to express a required view.
Moscow accuses Turkey of failing to uphold the agreement by failing to halt attacks by jihadi groups that dominate militias in Idlib.
There are severe penalties for failing to report taxable income, but none for failing to claim legitimate deductions.
These reasons include failing to file, failing to file on time without an extension and failing to pay income taxes on time.

After five unsuccessful attempts to match a face.
Shot on goal unsuccessful; ball does not move.
Despite their best efforts, the plans were unsuccessful.
Efforts to obtain comments from Gerritson were unsuccessful.
Two trials of budesonide were attempted but unsuccessful.
There is a risk that thesemay be unsuccessful.
Tried to look it up, but was unsuccessful.
The cash, check, or share draft of an unsuccessful bidder shall be returned, and the bid bond of an unsuccessful bidder shall be canceled.
UNSUCCESSFUL CPRA REQUESTS TO STATE AGENCIESAttempts to collect statewide towing and lien sale data and records from state agencies were unsuccessful.
Unsuccessful candidates who fail at this stage will be notified of the competence areas in which they were unsuccessful.