poraz

1. defeat; loss
   Zvezda je doživela težak poraz u Evropi. — Red Star suffered a heavy defeat in Europe.
   Posle tri poraza trener je dao ostavku. — After three losses the coach resigned.
2. (figurative) failure; setback
   Za njega je razvod bio lični poraz. — For him the divorce was a personal failure.

Usually with doživeti: doživeti poraz — "to suffer a defeat".