There are 2 definitions of dupe in English:

dupe1

Syllabification: dupe
Pronunciation: /d(y)o͞op
 
/

verb

[with object]
Deceive; trick: the newspaper was duped into publishing an untrue story
More example sentences
  • I'd give this CD away to charity, but then of course, some sucker would be duped into paying for it.
  • An elderly Swindon woman has narrowly escaped being duped into sending money to a dubious get-rich-quick scheme.
  • Shoppers are being duped into handing over thousands of pounds by to a gang of street vendors who claim to be collecting money for children's wheelchairs.
Synonyms
deceive, trick, hoodwink, hoax, swindle, defraud, cheat, double-cross; gull, mislead, take in, fool, inveigle
informal con, do, rip off, diddle, shaft, bilk, rook, pull the wool over someone's eyes, pull a fast one on, sucker, snooker

noun

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A victim of deception: knowing accomplices or unknowing dupes
More example sentences
  • In a sense these ignorant dupes are as much victims of the terrorists as their targets are.
  • But they were neither victims nor dupes, as some historians have suggested.
  • The consumer may also be a dupe, the victim of exploitation by powerful interests.
Synonyms
victim, gull, pawn, puppet, instrument; fool, innocent
informal sucker, chump, stooge, sitting duck, fall guy, pigeon, patsy, sap

Origin

late 17th century: from dialect French dupe 'hoopoe', from the bird's supposedly stupid appearance.

Derivatives

dupable

adjective
More example sentences
  • You expect twists in the plot, not too hard to get your head around, and you expect some nasty villains along with some dupable cops and lovable rogues.
  • Crop circles are formed by mischievous human beings who dupe the easily dupable into believing there is some extra-natural or supernatural cause.
  • As many of us have come to understand, there are few creatures more easily dupable than a western intellectual desperate to demonstrate his tolerance for some foreign nonsense.

duper

noun
More example sentences
  • For, they are the ‘dupers’ of our hopes and beliefs.
  • So it caught the dupers and is still running a deflationary strategy to squeeze excess money out of the game's economy.
  • If the audience guess right then they get £10,000 shared amongst them; if they guess wrong the successful duper gets all the money for himself.

dupery

noun
More example sentences
  • Some of the editors continued to take his hoax essay at face value even after he had revealed his dupery.
  • What proof is there that dupery through hope is so much worse than dupery through fear?
  • Let us agree, however, that wherever there is no forced option, the dispassionately judicial intellect with no pet hypothesis, saving us, as it does, from dupery at any rate, ought to be our ideal.

Definition of dupe in:

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Pronunciation: gliː
noun
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There are 2 definitions of dupe in English:

dupe2

Syllabification: dupe
Pronunciation: /
 
d(y)o͞op/

verb & noun

short for duplicate, especially in photography.
More example sentences
  • You could dupe however many copies you wanted, right?
  • How about burning a mixed CD of the wackiest, weirdest songs of all time, then duping it and giving copies to all your friends?
  • During the fights in the film, he had taken risks in doing all the stunts on his own, without the use of a dupe or a body double.

Definition of dupe in: