Made unauthorized copies of currency, documents, or products; created fraudulent imitations intended to deceive.
From counterfeit (from Old French contrefait, meaning 'made against' or 'imitated'). Past tense of the verb counterfeit.
In the 1800s, counterfeiting was so common that many small businesses printed their own fake money because the government's supply was insufficient—it wasn't always criminal, sometimes it was just how commerce worked!
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