1. Unsuccessful
Be unsuccessful.
Unfortunately my job application was unsuccessful.
What a waste of time! It was a totally unsuccessful meeting.
If I don't come back, the venture will probably be unsuccessful.
He commented on his unsuccessful business negotiation.
We tried to put out the fire but we were unsuccessful. We had to call the fire brigade.
English word "zakończony niepowodzeniem"(Unsuccessful) occurs in sets:
nauka i technikasłownictwo-dział 3