The Collaborative International Dictionary of English v.0.48:

packaged \packaged\ (p[a^]k"[asl]jd), adj.
   Enclosed in a package[2] or protective covering; as, packaged
   cereals. [Narrower terms: prepackaged, pre-packaged,
   prepacked ] {unpackaged, loose

   Syn: wrapped, done up.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

packaged
    adj 1: enclosed in a package or protective covering; "packaged
           cereals" [ant: unpackaged]