unavailable

from WordNet (r) 3.0 (2006)

unavailable
    adj 1: not available or accessible or at hand; "fresh milk was
           unavailable during the emergency"; "his secretary said he
           was unavailable for comment" [ant: {available}]

from The Collaborative International Dictionary of English v.0.48

Unavailable \Unavailable\
   See {available}.

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "unavailable":
      abortive, beyond reach, bootless, closed forever to, closed to,
      fruitless, impenetrable, impervious, inaccessible, ineffective,
      ineffectual, lost to, out of reach, un-come-at-able, unaccessible,
      unapproachable, unattainable, unavailing, undiscoverable,
      ungettable, unobtainable, unprocurable, unproductive, unreachable,
      unsecurable, useless, vain