la dupe

The word "dupe" in French can function both as a noun and a verb. Here's an explanation of its meanings and usage:

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As a noun ("une dupe")

• Meaning: A person who is fooled, deceived, or tricked.
• Parts: The word originates from the French verb duper which means "to deceive."
• Example: Il est une dupe facile. (He is an easy mark / someone easily fooled.)
• Synonyms: victime, pigeon, imbécile (informal)
• Antonyms: malin (clever), rusé (cunning), averti (aware)

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As a verb ("duper")

• Meaning: To deceive, trick, cheat, or fool someone.
• Example: Il a dupé ses amis avec une fausse histoire. (He deceived his friends with a fake story.)
• Synonyms: tromper, leurrer, berner, embobiner
• Antonyms: informer, éveiller, clarifier

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Summary:

"Dupe" is mainly used to highlight the idea of someone being misled or tricked either actively (verb) or as a victim of someone else's action (noun).