unfounded

unfounded
    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}]
    

Unfounded \Un*found"ed\, a.
   1. Not founded; not built or established. --Milton.
      [1913 Webster]

   2. Having no foundation; baseless; vain; idle; as, unfounded
      expectations. --Paley.
      [1913 Webster]
    

104 Moby Thesaurus words for "unfounded":
      Barmecidal, Barmecide, airy, apparent, apparitional, autistic,
      baseless, bottomless, chimeric, contrary to fact, deceptive,
      delusional, delusionary, delusive, delusory, dereistic, dishonest,
      dreamlike, dreamy, empty, erroneous, fallacious, false, fantastic,
      garbled, gratuitous, groundless, idle, ill-founded, illusional,
      illusionary, illusive, illusory, imaginary, in error, inauthentic,
      inconclusive, indecisive, mendacious, miscited, misleading,
      misquoted, misreported, misstated, not following, not proved,
      not true, ostensible, phantasmagoric, phantasmal, phantom, seeming,
      self-deceptive, self-deluding, specious, spectral, spurious,
      supposititious, truthless, unactual, unascertained, unattested,
      unauthentic, unauthenticated, unauthoritative, unbased,
      uncalled-for, uncertified, unconfirmed, uncorroborated,
      undemonstrated, undetermined, unestablished, unfixed, ungrounded,
      unjustifiable, unjustified, unproved, unproven, unreal, unreliable,
      unsettled, unshown, unsound, unsubstantial, unsubstantiated,
      unsupportable, unsupported, unsupported by evidence, unsustainable,
      unsustained, untenable, untested, untried, untrue, untruthful,
      unvalidated, unverified, unwarranted, vain, visionary,
      without basis, without foundation, without grounds