How to Say “You’re an Idiot” in French

tu es un idiot
The English phrase "you're an idiot" is translated into French as tu es un idiot.
This phrase is used to tell someone that they are stupid. You can add emphasis by using espèce d'idiot to say "you idiot".

Which one should you use?

While tu es un idiot is used for someone you know well, vous êtes un idiot is used for someone you address formally or for a group of people. To express that someone is completely idiotic, you can say Tu es complètement idiot(e).

Is there a formal and an informal way to say it?

In casual spoken French, tu es is often contracted to t'es, resulting in t'es un idiot. For a more colloquial way to say "You're really stupid", you can use T'es vraiment bête.

How does it change in a sentence?

When speaking to a woman, you must change the masculine un idiot to the feminine une idiote so that the phrase becomes tu es une idiote.

Did you know?

  • The word idiot originally had nothing to do with intelligence, as it stems from the Greek word for a 'private person' or 'layman'.
  • In French, the phrase espèce de used to intensify insults literally means 'species of'.
  • The formal vous in vous êtes un idiot can make an insult feel colder and more cutting than the informal tu.

Examples in context

  • « Pourquoi est-ce que je n'y ai pas pensé ? » « Parce que tu es un idiot. »
    "Why didn't I think of that?" "Because you're an idiot."
    This example shows how to respond to someone questioning their own thought process using tu es un idiot.
    Tatoeba #3469098 by Lulantis, translation #3454011 by Hybrid
  • Tu es un idiot.
    You're an idiot.
    This is a simple declarative statement using tu es un idiot.
    Tatoeba #463687 by mamat, translation #461945 by tamsanh
  • Tu es un idiot !
    You're an idiot!
    This is an emphatic way to say "You're an idiot!" using tu es un idiot.
    Tatoeba #354199 by bourdu, translation #2288111 by FeuDRenais2
  • 1 more sentence on Tatoeba

Example conversation

Gabriel and Chloé are arguing over a simple mistake.

  1. Gabriel

    Comment as-tu fait ça, Chloé ?
    How did you do that, Chloé?
  2. Chloé

    Je ne sais pas, c'était un accident.
    I don't know, it was an accident.
  3. Gabriel

    Tu es un idiot de faire ça !
    You're an idiot for doing that!
  4. Chloé

    Arrête de m'insulter, Gabriel.
    Stop insulting me, Gabriel.

Sources

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Hayley Lola
Hayley LolaHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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