uzdahnuti

1. to sigh
   Pogledala je račun i duboko uzdahnula. — She looked at the bill and sighed deeply.
   Uzdahnuo je i vratio se poslu. — He sighed and went back to work.
2. (+ za + instr.) to sigh for; to long for
   Uzdahnula je za starim danima u Beogradu. — She sighed for the old days in Belgrade.

The imperfective is uzdisati.