Wordnet 3.0
ADJECTIVE (1)
1.
not expressing or given to expressing the truth;
- Example: "the statement given under oath was untruthful"- Example: "an untruthful person"
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]
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]