unsuccessful (attempt)

vergeblich (a) (attempt)

erfolglos (a) (attempt)

misslungen (a) (attempt)

fehlgeschlagen (a) (attempt)

manqué (a) (attempt)

raté (a) [m.] (attempt)

infructueux (a) (attempt)

inefficace (a) (attempt)

vain (a) (attempt)

fallito (a) (attempt)

mancato (a) (attempt)

sbagliato (a) (attempt)

inutile (a) (attempt)

vano (a) (attempt)

frustrado (a) (attempt)

fracasado (a) (attempt)

fallido (a) (attempt)

vano (a) (attempt)

zinloos (a) (attempt)

vruchteloos (a) (attempt)

onfortuinlijk (a) (attempt)

niet succesvol (a) (attempt)

nutteloos (a) (attempt)

fåfäng (a) (attempt)

misslyckad (a) (attempt)

förfelad (a) (attempt)

fruktlös (a) (attempt)

felslagen (a) (attempt)

gagnlös (a) (attempt)

infeliz (a) [f.] (attempt)

fútil (a) (attempt)

mal-sucedido (a) (attempt)

infrutífero (a) (attempt)

vão (a) [m.] (attempt)

abortado (a) (attempt)

inútil (a) [m.] (attempt)