unsuccessful

1. Failed, not successful.

   His unsuccessful attempt earned him sympathy, condolences, and an occasional good-natured ribbing.

   erfolglos

   безуспе́шныйbezuspéšnyj, неуда́чныйneudáčnyj, неуда́чливыйneudáčlivyj

   безуспі́шнийbezuspíšnyj, невда́лийnevdályj, безрезульта́тнийbezrezulʹtátnyj

   not successful; having failed or having an unfavorable outcome

1. Tom's efforts were unsuccessful.

   Зусилля Тома не мали успіху.

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2. Our plan was unsuccessful.

   deUnser Vorhaben schlug fehl.

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3. The mission was unsuccessful.

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4. Tom was initially unsuccessful.

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5. That plan was unsuccessful.

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regular