Counterfeit/ˈkaʊntərfɪt/ Definition 1 of 3Pro Tip 1/3Detecting Fakes Recognize 'counterfeit' items by looking for errors or differences from the original. Careful examination revealed the watch was counterfeit. Pro Tip 2/3Crime Associations Using or creating counterfeit items is illegal and linked to criminal activity. Selling counterfeit designer bags can lead to arrest. Pro Tip 3/3Quality Clues Counterfeit items often have poor quality compared to the real ones. The seams of the counterfeit jeans were uneven.