unashamed

from WordNet (r) 3.0 (2006)

unashamed
    adj 1: used of persons or their behavior; feeling no shame [ant:
           {ashamed(p)}]

from Moby Thesaurus II by Grady Ward, 1.0

26 Moby Thesaurus words for "unashamed":
      bold, brazen, brazenfaced, exhibitionistic, flagrant, forward,
      griefless, immodest, notorious, regretless, remorseless, shameless,
      sorrowless, unabashed, unblushing, unembarrassed, ungrieving,
      unmodest, unregretful, unregretting, unremorseful, unrepining,
      unrueful, unsorrowful, unsorrowing, unsorry