unsanctioned

from WordNet (r) 3.0 (2006)

unsanctioned
    adj 1: without explicit official permission; "unsanctioned use
           of company cars"

from The Collaborative International Dictionary of English v.0.48

Unsanctioned \Unsanctioned\
   See {sanctioned}.

from Moby Thesaurus II by Grady Ward, 1.0

26 Moby Thesaurus words for "unsanctioned":
      banned, barred, contraband, forbade, forbid, forbidden, illegal,
      illicit, nonpermissible, not permitted, off limits, out of bounds,
      outlawed, prohibited, ruled out, taboo, tabooed, unallowed,
      unauthorized, under the ban, unlawful, unlicensed, unpermissible,
      untouchable, verboten, vetoed