Synonyms to truthless

dishonest, Machiavellian, ambidextrous, amoral, artful, bent, casuistic, cheating, conscienceless, corrupt, corrupted, counterfeit, crafty, criminal, cronk, crooked, cunning, dark, deceitful, deceiving, deceptive, defrauding, devious, dishonorable, disingenuous, double, double-dealing, double-faced, double-minded, double-tongued, doublehearted, doubtful, dubious, duplicitous, empty, equivocal, evasive, faithless, fake, false, false-principled, falsehearted, felonious, fishy, forsworn, fraudulent, furtive, hollow, hypocritical, ill-got, ill-gotten, immoral, indirect, insidious, insincere, jesuitic, knavish, lying, mealymouthed, mendacious, not kosher, oblique, perfidious, perjured, prevaricating, questionable, roguish, rotten, shady, shameless, shifty, sinister, slippery, snide, suspicious, swindling, thieving, thievish, tongue in cheek, treacherous, tricky, two-faced, uncandid, unconscienced, unconscientious, unconscionable, underhand, underhanded, unethical, unfair, unfrank, unprincipled, unsavory, unscrupulous, unserious, unstraightforward, untrustworthy, untruthful, unveracious, without remors