bezdan

1. abyss; chasm
   Kamen je pao u bezdan i nismo čuli udarac. — The stone fell into the abyss and we didn't hear it land.
2. formal (figurative) abyss; bottomless pit
   Posle razvoda je pao u bezdan očaja. — After the divorce he sank into an abyss of despair.
   Ta firma je bezdan za državni novac. — That company is a bottomless pit for public money.