untruth

untruth
    n 1: a false statement [syn: {falsehood}, {falsity}, {untruth}]
         [ant: {true statement}, {truth}]
    

Untruth \Un*truth"\, n.
   1. The quality of being untrue; contrariety to truth; want of
      veracity; also, treachery; faithlessness; disloyalty.
      --Chaucer.
      [1913 Webster]

   2. That which is untrue; a false assertion; a falsehood; a
      lie; also, an act of treachery or disloyalty. --Shak.
      [1913 Webster]

   Syn: Lie; falsehood. See {Lie}.
        [1913 Webster]
    

68 Moby Thesaurus words for "untruth":
      aberrancy, aberration, blague, canard, cock-and-bull story,
      defectiveness, delusion, deviancy, distortion, errancy,
      erroneousness, error, exaggeration, fairy tale, fallaciousness,
      fallacy, falsehood, falseness, falsity, farfetched story, farrago,
      fault, faultiness, fib, fiction, fish story, flam, flaw,
      flawedness, flimflam, ghost story, half-truth, hamartia, heresy,
      heterodoxy, illusion, inveracity, legal fiction, lie,
      little white lie, mendacity, misapplication, misconstruction,
      misdoing, misfeasance, misinterpretation, misjudgment,
      misrepresentation, peccancy, perversion, pious fiction,
      prevarication, self-contradiction, sin, sinfulness,
      slight stretching, story, tale, tall story, tall tale, taradiddle,
      trumped-up story, truthlessness, unorthodoxy, untrueness,
      untruthfulness, white lie, yarn