The Collaborative International Dictionary of English v.0.48:

Unorganized \Un*or"gan*ized\, a.
   Not organized; being without organic structure; specifically
   (Biol.), not having the different tissues and organs
   characteristic of living organisms, nor the power of growth
   and development; as, the unorganized ferments. See the Note
   under Ferment, n., 1.
   [1913 Webster]

WordNet (r) 3.0 (2006):

unorganized
    adj 1: not having or belonging to a structured whole;
           "unorganized territories lack a formal government" [syn:
           unorganized, unorganised] [ant: organized]
    2: not affiliated in a trade union; "the workers in the plant
       were unorganized" [syn: unorganized, unorganised,
       nonunionized, nonunionised]