List of untruthful synonyms and untruthful related words.
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