improvizirati

1. Croat. to improvise
   Zaboravio sam tekst, pa sam morao improvizirati. — I forgot my lines, so I had to improvise.
   Bend je improvizirao pola sata. — The band improvised for half an hour.
2. Croat. (+ acc.) to improvise; to rig up
   Improvizirali smo krevet od dva madraca. — We rigged up a bed out of two mattresses.

In Serbia the word is improvizovati.