Inauthentic in a Sentence 

Definition of Inauthentic  

fake; imitation

Examples of Inauthentic in a sentence

Although the knock-off person was inauthentic, it looked just like a Michael Kors original.  
The inauthentic painting looked so much like the replica that it was hard for even the art expert to decide which was the imitation.  
Although the collector insisted that the baseball was indeed signed by Babe Ruth even though it was just an inauthentic copy.  

Other words in the Fake category:

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