truthful Antonyms

untruthful irresponsible shameful shammer slippery sly specious thievish traitorous treacherous tricky shady picaresque philosophistic jesuitical larcenous lying mendacious misleading misrepresentative outrageous perjurious perjury pharisaic truthless underhanded duplicitous two-faced tongue-in-cheek four-flusher dodgy fairytale all bark and no bite butter wouldn't melt in someone's mouth unpredictable undependable postiche role player unfair unhonest unprincipled unreliable unscrupulous unsincere untrue wily wormy untrustworthy as phony as a three-dollar bill insincere