baseless

from WordNet (r) 3.0 (2006)

baseless
    adj 1: without a basis in reason or fact; "baseless gossip";
           "the allegations proved groundless"; "idle fears";
           "unfounded suspicions"; "unwarranted jealousy" [syn:
           {baseless}, {groundless}, {idle}, {unfounded},
           {unwarranted}, {wild}]

from The Collaborative International Dictionary of English v.0.48

Baseless \Base"less\, a.
   Without a base; having no foundation or support. "The
   baseless fabric of this vision." --Shak.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

32 Moby Thesaurus words for "baseless":
      bottomless, built on sand, empty, false, gratuitous, groundless,
      idle, ill-founded, indefensible, needless, not well-founded,
      pointless, reasonless, senseless, unbased, uncalled-for, unfounded,
      ungrounded, unjustifiable, unnecessary, unneeded, unsolid,
      unsupportable, unsupported, unsustainable, unsustained, untenable,
      unwarranted, vain, without basis, without foundation, wrong

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