[1] : The Collaborative International Dictionary of English v.0.48

unfounded \unfound"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

[2] : WordNet (r) 2.0

unfounded
     adj : without a basis in reason or fact; "baseless gossip"; "the
           allegations proved groundless"; "idle fears";
           "unfounded suspicions"; "unwarranted jealousy" syn: baseless,
            groundless, idle, unwarranted
see also:
baseless groundless idle unwarranted 

[3] : Moby Thesaurus II by Grady Ward, 1.0

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

Unfounded >> U Words
Unfounded, definition of term: Unfounded
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