1. Noun:
* A person easily tricked or deceived: Someone who is easily manipulated or fooled.
* A copy or imitation: A fake or imitation of something, often made to deceive. For example, a "dupe" could be a fake designer handbag.
2. Verb:
* To deceive or trick: To make someone believe something that is not true.
Examples:
* Noun: "The con artist used the old "switch and bait" trick to dupe his victims."
* Verb: "She was duped into investing in a fraudulent scheme."
Informal Usage:
"Dupe" is often used informally to mean "fool" or "idiot" but it can be considered insulting.
To summarize:
"Dupe" generally refers to someone who is easily tricked or deceived, or the act of deceiving someone.