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

untruthful \untruth"ful\, a.
   not truthful; unveracious; contrary to the truth or the fact.
   -- untruth"fully, adv. -- untruth"fulness, n.
   1913 webster
see also:
untruth"fully untruth"fulness 

[2] : WordNet (r) 2.0

untruthful
     adj : not expressing or given to expressing the truth; "the
           statement given under oath was untruthful"; "an
           untruthful person" ant: truthful
see also:
truthful 

[3] : 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

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