counterfeiting Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the act of making fake money or goods. Example Sentence He was arrested for counterfeiting money. More Example Sentences Counterfeiting is illegal and can lead to jail. Synonyms forgery; imitation; fraud Antonyms genuine; authentic Hear It! Say It! Write It! counterfeiting Switch to cursive Start Share with your friends: