We've found 3 phrases for untruthful (0.116 seconds):

economical with the truth »    Not telling the whole truth, especially in order to present a false image of a situation; untruthful; lying. Often used with sarcasm or satire.

forked tongue »    The characteristic of deceptiveness; duplicity; untruthfulness.

speak with a forked tongue »    To speak deceptively; to be duplicitous or untruthful.

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