Sneakerheads will tell you that there are specific ways to distinguish genuine shoes and counterfeit shoes. Here's a blog article from sneakerhistory.com that shares some of the trending fake sneakers available on the internet.
Meaning: Made in exact imitation of something valuable with the intention to deceive or defraud.
Counterfeit in a sentence: The market was flooded with counterfeit goods that were almost indistinguishable from the real thing.
Synonyms: Fake, forged, bogus, imitation.
Antonyms: Genuine, authentic, real, original.
Fun fact: counterfeit goods and related crimes accounts for an estimated 2.5% of world trade (USD 461 billion each year) according to Europol