The Oxford Thesaurus An A-Z Dictionary of Synonyms - deceptive adj.

1) misleading, false, illusory, deceiving, unreliable: He has the look of an athlete, but appearances can be deceptive. 2) fraudulent, deceitful, dishonest, untruthful, fake, false, shifty, fallacious, specious, spurious, bogus, counterfeit, pseudo, sophistical; tricky, dodgy, evasive, elusive, slippery, Colloq phoney or US also phony: The bank is being deceptive about his credit rating.