vreti

1. (of a liquid) to boil
   Voda već vri, ubaci testeninu. — The water is already boiling, put the pasta in.
2. (of people, feelings) to seethe; to be in turmoil
   Ceo grad vri od nezadovoljstva. — The whole city is seething with discontent.
   U njemu je sve vrelo od besa. — He was seething with rage inside.
3. (of wine, juice) to ferment
   Mlado vino još vri u buradima. — The young wine is still fermenting in the barrels.