Mon œil ! in French: “yeah, right!” and when to use it

Edited by Chris Lee · Updated · About the library

Understand mon œil ! as a familiar reaction of disbelief. Compare a teasing exchange, a literal eye sentence and calmer ways to question an explanation.

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In short

Mon œil ! means “yeah, right!” or “I don’t believe you!” when someone makes a claim you doubt. It is familiar and blunt: a good phrase to recognise in a teasing exchange, but a strong reply to give someone you barely know.

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Two friends considering an unusually thick plain folder at a café table, one giving a doubtful sideways gesture.
An unlikely reading claim prompts mon œil. Illustration: Atelier

A promise between friends

Le dossier de cent pages
  1. Hugo

    J’ai relu tout le dossier en deux minutes.

    I reread the whole file in two minutes.

  2. Léa

    Mon œil ! Il fait cent pages !

    Yeah, right! It’s a hundred pages long!

  3. Hugo

    Bon, j’ai seulement regardé la première page.

    OK, I only looked at the first page.

  4. Léa

    Je préfère ça. On le lit ensemble ?

    That’s more like it. Shall we read it together?

Léa doubts Hugo’s claim about reading the whole file. Her next sentence gives her reason: its length. Hugo then admits what he actually did. The short reaction carries the disbelief; the rest of the scene tells you why she doubts him.

What does mon œil mean in French?

Mon œil !Yeah, right!

Focus: A blunt, familiar rejection

Tu as tout fait tout seul ? Mon œil !
You did everything on your own? Yeah, right!

Tu es sûr ?Are you sure?

Focus: A question that invites the other person to check

Tu es sûr ? Il manque encore deux pages.
Are you sure? Two pages are still missing.

Je ne suis pas convaincue.I’m not convinced.

Focus: An explicit statement of doubt, here spoken by Léa

Je ne suis pas convaincue : les dates sont différentes.
I’m not convinced: the dates are different.

For a work email, give the point you want checked: Pourriez-vous vérifier ces deux dates ? For a friend making a wildly optimistic promise, Mon œil ! can sound teasing. Said sharply, it sounds dismissive. Choose the reply for the conversation you want to have.

The eye itself: a different meaning

J’ai quelque chose dans l’œil droit.

I have something in my right eye.

Here the surrounding words describe an actual eye. There is no reaction to a claim.

Keep the noun and the expression straight
FrenchEnglishWhat to notice
un œil / les yeuxan eye / eyesThe ordinary plural changes to yeux.
Mon œil !Yeah, right!The reaction stays singular.
Elle ferme les yeux.She closes her eyes.A literal action with the plural noun.
Question 1No account needed
In the dossier scene, which claim does Léa doubt?

Choose one answer.

Answer and explanation

Hugo read the whole file in two minutes.. She reacts immediately to his claim about rereading the entire file.

Question 2No account needed
Which sentence describes an actual eye?

Choose one answer.

Answer and explanation

J’ai quelque chose dans l’œil.. Having something in your eye is a literal description of the body part.

Question 3No account needed
Léa wants a colleague to check two dates in an email. Choose the useful request.

Choose one answer.

Answer and explanation

Pourriez-vous vérifier ces deux dates ?. This request identifies the two details she wants checked and invites a useful response.

Question 4No account needed
Choose the ordinary plural of un œil.

Choose one answer.

Answer and explanation

des yeux. The ordinary plural for the body part is irregular: eyes.

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