fake

tamper, with the purpose of deception

something that is a counterfeit; not what it seems to be

not genuine or real; being an imitation of the genuine article

“it isn't fake anything; it's real synthetic fur”

make a copy of with the intent to deceive

“he faked the signature”

fraudulent; having a misleading appearance

a person who makes deceitful pretenses

speak insincerely or without regard for facts or truths

“The politician was not well prepared for the debate and faked it”

a deceptive move made by a football player