counterfeit
/ˈkau̇n-tər-ˌfit/
adjective
made in imitation of something else with intent to deceive : forged
insincere, feigned
imitation
counterfeit money
verb
to imitate or feign especially with intent to deceive; also : to make a fraudulent replica of
to try to deceive by pretense or dissembling
to engage in counterfeiting something of value
noun
something counterfeit : forgery
something likely to be mistaken for something of higher value
The $20 bill turned out to be a counterfeit.