List of unfounded synonyms and unfounded related words.
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