oslobođen

1. freed; released; liberated
   Oslobođeni taoci su se vratili kućama. — The freed hostages returned home.
2. (+ gen.) exempt
   Penzioneri su oslobođeni plaćanja ove takse. — Pensioners are exempt from this fee.
   Ova roba je oslobođena PDV-a. — These goods are VAT-exempt.
3. (in court) acquitted
   Bivši direktor je oslobođen svih optužbi. — The former director was acquitted of all charges.
4. (of a person or manner) uninhibited; relaxed
   Na sceni je potpuno oslobođena i sigurna u sebe. — On stage she's completely uninhibited and confident.

When it means 'exempt from', it takes the genitive without a preposition: oslobođen poreza.