The Oxford Thesaurus An A-Z Dictionary of Synonyms - shamn.

1) fake, fraud, counterfeit, imitation, hoax, humbug, pretence, forgery, copy, imposture, Colloq phoney or US also phony: Their call for reform is a sham, as they have no intention of disturbing the status quo. --adj. 2) fake, fraudulent, counterfeit, imitation, paste, simulated, false, make-believe, fictitious, made-up, bogus, spurious, mock, ersatz, artificial, synthetic, Colloq phoney or US also phony, pseudo: He sat there feigning interest, a sham smile on his face.