The Collaborative International Dictionary of English v.0.48:

Unspecified \Unspecified\
   See specified.

WordNet (r) 3.0 (2006):

unspecified
    adj 1: not stated explicitly or in detail; "threatened
           unspecified reprisals" [ant: specified]

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "unspecified":
   abstract, aleatoric, aleatory, amorphous, anonymous, bland, blobby,
   blurred, blurry, broad, chance, chancy, chaotic, collective,
   confused, cryptonymic, cryptonymous, disordered, featureless,
   foggy, fuzzy, general, generalized, generic, hazy, hit-or-miss,
   ill-defined, imprecise, inaccurate, inchoate, incognito,
   incoherent, indecisive, indefinable, indefinite, indeterminable,
   indeterminate, indistinct, inexact, innominate, lax, loose,
   nameless, nebulous, neutral, nonspecific, obscure, orderless,
   random, shadowed forth, shadowy, shapeless, stochastic, sweeping,
   unacknowledged, uncharacterized, unclear, undefined, undesignated,
   undestined, undetermined, undifferentiated, unidentified, unknown,
   unnamed, unplain, vague, veiled, wide, without a name