zamrznuti

1. (of food) to freeze
   Zamrznula sam ostatak supe za sledeću nedelju. — I froze the rest of the soup for next week.
2. (of prices, accounts, projects) to freeze
   Vlada je zamrznula cene osnovnih namirnica. — The government froze the prices of basic foods.
   Banka mu je zamrznula račun. — The bank froze his account.
3. (zamrznuti se) to freeze
   Voda u cevima se zamrznula preko noći. — The water in the pipes froze overnight.
   Laptop mi se zamrznuo usred sastanka. — My laptop froze in the middle of the meeting.

The imperfective is zamrzavati.