apstinencija

1. abstinence
   Posle lečenja je u apstinenciji već dve godine. — After treatment he's been abstinent for two years now.
   Prvi dani apstinencije od cigareta su najteži. — The first days of quitting cigarettes are the hardest.
2. (of elections) abstention; non-voting
   Opozicija je pozvala građane na apstinenciju. — The opposition called on citizens to abstain from voting.

Often used with od + gen.: apstinencija od alkohola. Not to be confused with Russian абстиненция, which usually means withdrawal — in Serbian that is apstinencijalna kriza.