counterfeit
adjective
uk/ˈkaʊntəfɪt/ uscounterfeit money, goods, etc. are illegal copies of the real thing, made to deceive people:
counterfeit bills/notes/software
Counterfeit card fraud is a growing problem.
At least 41% of the drugs in circulation were thought to be counterfeit.
counterfeit
verb [ T ]
uk/ˈkaʊntəfɪt/ usto make illegal copies of something such as bank notes, DVDs, or official documents:
Criminals can empty bank accounts by accessing consumer PIN numbers and counterfeiting cards.
counterfeit
noun [ C ]
uk/ˈkaʊntəfɪt/ usan illegal copy of something such as a bank note, DVD, or official document:
Many of the watches sold on the market are counterfeits.