untruthful

from WordNet (r) 3.0 (2006)

untruthful
    adj 1: not expressing or given to expressing the truth; "the
           statement given under oath was untruthful"; "an
           untruthful person" [ant: {true}, {truthful}]

from The Collaborative International Dictionary of English v.0.48

Untruthful \Un*truth"ful\, a.
   Not truthful; unveracious; contrary to the truth or the fact.
   -- {Un*truth"ful*ly}, adv. -- {Un*truth"ful*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "untruthful":
      artful, calculating, crafty, deceitful, deceptive, delusive,
      delusory, dishonest, disingenuous, equivocal, false, falsehearted,
      forsworn, inaccurate, incorrect, insincere, knavish, lying,
      mendacious, misleading, perjured, prevaricating, roguish, scheming,
      shifty, truthless, uncandid, unfrank, unsincere, unveracious,
      wrong

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