unauthentic

Example:Her performance was considered authentic, as it was based on her own deeply felt emotions and experiences.

Definition:Genuine; genuine, real; coming from a genuine source without substitution, addition, or alteration.

Example:The watch collector appreciated only genuine watches and refused to buy any imitations or fakes.

Definition:Being as it naturally is; real, not false or pretend, natural, or genuine, real; not artificial, not false, not counterfeit.

Example:The museum showcased the original artwork, a true masterpiece that could not be replicated.

Definition:Being in its initial state or existing from the start; first or earliest in a line of descent; coming from or going back to an original specific source, not copied or imitated; early or early examples of art, music, etc.