forge(COPY)
49 percent of respondents were aware that drugs and other medicines are counterfeited.
The brothers were surprisingly skilled at the fine detail work required to counterfeit coins.
The department added high-tech features designed to make it more difficult to counterfeit the note.

SMART Vocabulary: related words and phrases

Forgery
anti-counterfeiting
anti-piracy
bootleg
fake
faker
forge
forged document
forgery
hijack
hijacking
knockoff
piracy
pirate
pirated
plagiarism
plagiarize
self-plagiarism

You can also find related words, phrases, and synonyms in the topics:

Copying and copies

counterfeit | American Dictionary

counterfeit
adjective[ not gradable ]
us/ˈkɑʊn·tərˌfɪt/
copied exactly in order to make someone believe that the copy is the original:
A lot of brand-name merchandise sold on the streets is counterfeit.

counterfeit

noun[ C ]us/ˈkɑʊn·tərˌfɪt/
The bank said this $100 bill was a counterfeit.

counterfeit

verb[ T ]us/ˈkɑʊn·tərˌfɪt/
They were accused of counterfeiting credit cards and selling them.

counterfeit | Business English

counterfeit
adjective
uk /ˈkaʊntəfɪt/us
counterfeit 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/us
to 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/us
an illegal copy of something such as a bank note, DVD, or official document:
Many of the watches sold on the market are counterfeits.

Examples of counterfeit

counterfeit
Does such self-coinage, in the guise of coinage of the self, make them counterfeit?
He has also abandoned counterfeit designer clothes and rests mostly content with simple cotton pyjamas.
Even when drugs are available, weak regulatory capacity may mean that they are substandard or counterfeit, and that they are not rationally used.
Women make occasional appearances in the text, but there is no discussion of gender issues or the female role in counterfeiting networks.
Her problems will not be solved by counterfeit expressions and cheap words.
Some even claim that genuine official coins are counterfeit and will not accept them in trade.
By the second quarter of the nineteenth century clear variations in regional use of foreign coins (both genuine and counterfeit) can be seen.
But it turns out to be scenepainting and counterfeit.
Theft, counterfeit products and damage to goods are always risks that manufacturers face when products are transported.
The former, now a separate conceptual category, was declared socially counterproductive, a counterfeit privacy.
If imitation or counterfeit coins were indistinguishable from genuine coin, the latter quickly would disappear from circulation.
This prevents us from defining a universal recursion operator for each counterfeit datatype, just as we cannot express them for nested types.
However, counterfeiting of coin is done to reap a profit, and the only way in which it can generate profit is by adulterating the coin with copper or lead.
A counterfeit voice, by definition inauthentic, will assuredly invite the opprobrium of jazz musicians, who equate imitation with the assumption of an identity not one's own.
We may simulate some aspects of dependent typing by making counterfeit type-level copies of data, with type constructors simulating data constructors and type classes simulating datatypes.
See all examples of counterfeit
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.