mendacious Synonyms

committing perjury shifty shady prevaricating perjurious perjured perfidious paltering misleading lying liar knavish janus-faced treacherous tricky dissimulating two-faced duplicitous untrustworthy untruthful untrue unscrupulous unprincipled unfair underhand truthless trothless insincere immoral hypocritical disingenuous dishonest devious designing deceptive deceiving deceitful cunning crooked crafty counterfeit corrupt dissembling double dealing hollow-hearted hollow fraudulent forsworn fibbing false-hearted