zastoj

1. stoppage; standstill; hold-up
   Zbog nesreće je na autoputu nastao veliki zastoj. — The accident caused a big hold-up on the motorway.
   Umro je od srčanog zastoja. — He died of cardiac arrest.
2. (of an economy or process) stagnation; stall
   Privreda je već godinama u zastoju. — The economy has been stagnating for years.
   Pregovori su ponovo u zastoju. — The talks have stalled again.

Often used in the phrase biti u zastoju, 'to be at a standstill'.