unavailing

from WordNet (r) 3.0 (2006)

unavailing
    adj 1: producing no result or effect; "a futile effort"; "the
           therapy was ineffectual"; "an otiose undertaking"; "an
           unavailing attempt" [syn: {futile}, {ineffectual},
           {otiose}, {unavailing}]

from The Collaborative International Dictionary of English v.0.48

Unavailing \Unavailing\
   Ineffective in achieving the desired result; ineffectual;
   futile; of no use; useless; pointless.
   [PJC]

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "unavailing":
      abortive, aimless, barren, bootless, counterproductive, effete,
      empty, etiolated, fatuitous, fatuous, feckless, fruitless, futile,
      impotent, inadequate, inane, ineffective, ineffectual,
      inefficacious, inoperative, invalid, meaningless, no go, nugacious,
      nugatory, of no force, of no use, pointless, purposeless, sterile,
      superfluous, unavailable, unproductive, useless, vain

[email protected]