noun
- a person who deceives or tricks others
Usage: informal
Examples
- The con artist was a skilled duper who fooled many people.
- She realized she had been taken in by a clever duper.
- The duper used fake documents to steal money from victims.
- Police warned residents about a duper operating in the neighborhood.
- He was known as a duper who could convince anyone of anything.
- The elderly woman fell victim to a phone duper claiming to be her grandson.