Antonyms for "genuine article" include "fake," "counterfeit," "imitation," "copy," "fraudulent," "phony," "spurious," and "pseudo." These terms describe something that is not authentic, original, or true. They can refer to anything from a knock-off designer item to a person pretending to be someone they're not. It is important to be aware of these antonyms, especially when it comes to purchases and relationships, to ensure that what we receive and who we interact with is truly the real thing. Always strive to find the genuine, authentic article and avoid the imitations.