counterfeit

"The store owner discovered a counterfeit bill in the customer's payment. "

"The counterfeit tried to pass off fake money at the store. "

"The artist's portrait was a beautiful counterfeit of her grandmother. "

"The student was accused of being a counterfeit, trying to pass himself off as someone else to get better grades. "

"to counterfeit the signature of another, coins, notes, etc."

"He tried to counterfeit his father's signature on the permission slip so he could go on the field trip. "

"to counterfeit the voice of another person"

"The opponent's final river card counterfeited my hand, as their full house beat my pair of queens. "

"This counterfeit watch looks like the real thing, but it broke a week after I bought it."

"counterfeit sympathy"

"The student's enthusiasm for the project was counterfeit; he was actually bored and just wanted a good grade. "