"dupe" in the noun sense
1. victim, dupe
a person who is tricked or swindled
"dupe" in the verb sense
1. gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across
fool or hoax
"The immigrant was duped because he trusted everyone"
"You can't fool me!"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License