Source : Webster's Revised Unabridged Dictionary (1913)

Uncivilized \Un*civ"i*lized\, a.
   1. Not civilized; not reclaimed from savage life; rude;
      barbarous; savage; as, the uncivilized inhabitants of
      Central Africa.

   2. Not civil; coarse; clownish. [R.] --Addison.

Source : WordNet®

uncivilized
     adj : without civilizing influences; "barbarian invaders";
           "barbaric practices"; "a savage people"; "fighting is
           crude and uncivilized especially if the weapons are
           efficient"-Margaret Meade; "wild tribes" [syn: {barbarian},
            {barbaric}, {savage}, {uncivilised}, {wild}]