To dupe is to trick or deceive someone.(verb)
When you tell someone a lie, this is an example of a time when you dupe the person.
The definition of a dupe is a person who has been tricked or fooled.(noun)
A person who fell for a lie is an example of a dupe.
See dupe in Webster's New World College Dictionary
Origin: Fr < OFr duppe, cant alteration of L upupa, hoopoe, stupid bird
See dupe in American Heritage Dictionary 4
Origin: , from Old French
Origin: , probably alteration of huppe, hoopoe (from the bird's stupid appearance); see hoopoe.
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