A person who functions as the tool of another person or power.(noun)
To deceive (an unwary person). See Synonyms at deceive.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "dupe" in a sentence
"Pilon's friend and favorite dupe is small-time crook, Danny Alvarez, who has inherited two houses and a gold watch from his late grandfather, and who later falls in love with Dolores Ramirez."
"Calling someone a terrorist dupe is nowhere the same as calling them EVIL."
"In what KCNA called "an interview" that he gave of his own free will to authorities, Park said he'd been a dupe, that is, a dupe of all that stuff spread by human-rights advocates overseas about the horrors of life in North Korea."