1. made to look exactly like something else in order to deceive; fake

1. a fake copy of something made to deceive people

1. to make a fake copy of something in order to deceive

Examples

• The police seized thousands of counterfeit designer handbags.
• He was arrested for using counterfeit money at the store.
• The museum discovered that one of its paintings was a counterfeit.
• She bought what she thought was a genuine watch, but it turned out to be a counterfeit.
• The criminals were counterfeiting hundred-dollar bills in their basement.
• It’s illegal to counterfeit official documents like passports.
• The counterfeit medications contained dangerous ingredients.