The genuine article is a term that signifies an authentic or original version of something. However, there are several antonyms of this phrase, including the fake or bogus article, the imitation or counterfeit article, the phony or fraudulent article, and the artificial or simulated article. These antonyms refer to objects, products, or people that are not the real deal and are often created to deceive or imitate the original. While the genuine article implies trustworthiness, honesty, and legitimacy, its antonyms suggest dishonesty, deceit, and lack of authenticity. Hence, it is important to be cautious while dealing with such antonyms of the genuine article.