PHONEY

bogus, fake, phony, phoney, bastard

(adjective) fraudulent; having a misleading appearance

hypocrite, dissembler, dissimulator, phony, phoney, pretender

(noun) a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives

Source: WordNet® 3.1

Adjective

phoney (comparative phonier, superlative phoniest)

(mostly, British) Alternative form of phony

Noun

phoney (plural phoneys or phonies)

Alternative form of phony

Source: Wiktionary