deceptive

Synonyms: ambiguous astucious beguiling bum catchy crafty cunning deceitful deceiving deluding delusive delusory designing disingenuous fake fallacious false fishy foxy fraudulent illusory imposturous indirect insidious lying misleading mock oblique off phony plausible rascal roguish scheming seeming serpentine shifty slick slippery sly sneaky snide specious spurious subtle treacherous tricky two-faced underhand underhanded unreliable wily

Antonyms: forthright frank honest open truthful upright