noun
duper
DOO-puh
noun
1
Someone who deceives or tricks others.
"The article exposed the duper behind the fake investment scheme."
How to Use Duper
Learner’s notesIn plain EnglishA person who dupes, i.e., deceives, others.
Word Forms
dupers plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “duper”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The article exposed the _____ behind the fake investment scheme.
Etymology
Formed from "dupe" plus the agent suffix "-er."