off-duty

from The Collaborative International Dictionary of English v.0.48

off-duty \off-duty\ adj.
   not performing or available for duties at the given moment;
   as, an off-duty policeman. Oposite of {on-duty}, {working},
   and {on-the-job}. [prenominal]

   Syn: off duty(predicate).
        [WordNet 1.5]