passer comme une lettre à la poste
To be close to
Literally: To go through like a letter at the post office
In 15 Seconds
- Used for things that go perfectly and without any trouble.
- Compares a smooth process to mailing a letter.
- Great for successful excuses, easy tasks, or smooth transitions.
Meaning
This phrase describes something that goes perfectly smoothly without any resistance. It is used when a task, an excuse, or even a piece of food is accepted or completed effortlessly.
Key Examples
3 of 6Talking about a difficult exam
L'examen de maths est passé comme une lettre à la poste.
The math exam went off without a hitch.
Explaining a white lie to a friend
Mon excuse est passée comme une lettre à la poste !
My excuse was accepted without any questions!
In a professional project meeting
La nouvelle proposition est passée comme une lettre à la poste auprès du client.
The new proposal was accepted by the client without any issues.
Cultural Background
The French have a love-hate relationship with their administration. This idiom reflects a historical moment of administrative perfection that is now viewed with nostalgia. In Quebec, the phrase is well-understood but you might also hear 'passer comme du beurre dans la poêle' (like butter in the pan) for similar situations. Belgian French uses this idiom identically to France, often in the context of political compromises which are a staple of Belgian life. In countries like Senegal or Ivory Coast, the phrase is used in business contexts to describe successful deals or 'arrangements' that go through without bureaucratic 'blockages'.
Use it for Food
To sound really native, use it after a big meal. 'Ce dessert est passé comme une lettre à la poste' shows you have mastered the informal nuances.
Agreement is Key
Remember that 'passer' uses 'être'. If you are talking about 'la proposition', say 'elle est passée' (add the 'e').
In 15 Seconds
- Used for things that go perfectly and without any trouble.
- Compares a smooth process to mailing a letter.
- Great for successful excuses, easy tasks, or smooth transitions.
What It Means
Imagine you drop a stamped envelope into a mailbox. It disappears instantly into the system. No friction. No questions asked. That is exactly what passer comme une lettre à la poste feels like. It means something was accepted or accomplished with zero difficulty. It is the French way of saying something went 'swimmingly' or was 'a piece of cake.'
How To Use It
You use this phrase to describe a process or an action. It usually follows the verb passer. You can use it for physical things, like a large pill you had to swallow. You can also use it for social things, like a cheeky excuse you gave your boss. If they believed you without blinking, it passed like a letter at the post office.
When To Use It
Use it when you are relieved that something potentially difficult turned out to be easy.
- After a job interview that felt like a chat with a friend.
- When you explain to your partner why you bought those expensive shoes.
- When a complex software update installs without crashing your computer.
It is perfect for sharing small victories over coffee.
When NOT To Use It
Avoid this in very somber or tragic situations. If someone recovers from a serious surgery, saying it 'passed like a letter' might feel a bit too lighthearted. Also, do not use it for things that require intense effort and struggle. If you climbed Mont Blanc and it was grueling, this phrase does not fit. It is strictly for things that felt unexpectedly easy or smooth.
Cultural Background
This expression dates back to the 19th century. Back then, the French postal service was becoming remarkably efficient. The 'boîte aux lettres' (mailbox) was a symbol of reliability. Once the letter was in, the job was as good as done. It reflects a time when the post office was the gold standard for things working exactly as they should. Even today, despite digital mail, the imagery of the smooth-sliding envelope remains a staple of French conversation.
Common Variations
You might occasionally hear c'est passé comme une fleur (it passed like a flower). This is a bit more old-fashioned but carries the same 'easy-breezy' energy. Some people also just say c'est passé crème, which is modern slang for the same idea. However, the 'postal' version remains the undisputed king of idioms for smooth sailing.
Usage Notes
This idiom is very safe to use in almost any context. It sits in the 'neutral' register, making it perfect for both a dinner with friends and a chat with your manager.
Use it for Food
To sound really native, use it after a big meal. 'Ce dessert est passé comme une lettre à la poste' shows you have mastered the informal nuances.
Agreement is Key
Remember that 'passer' uses 'être'. If you are talking about 'la proposition', say 'elle est passée' (add the 'e').
The Slang Alternative
If you are with friends under 30, try 'C'est passé crème'. It will earn you major 'cool points'.
Examples
6L'examen de maths est passé comme une lettre à la poste.
The math exam went off without a hitch.
The speaker found the exam much easier than expected.
Mon excuse est passée comme une lettre à la poste !
My excuse was accepted without any questions!
Shows the excuse was totally convincing and caused no friction.
La nouvelle proposition est passée comme une lettre à la poste auprès du client.
The new proposal was accepted by the client without any issues.
Indicates the client had no objections or requested changes.
J'ai dit à ma femme que c'était en solde, c'est passé comme une lettre à la poste.
I told my wife it was on sale, and she totally bought it.
A classic relatable moment of a 'smooth' explanation.
Cette énorme pilule est passée comme une lettre à la poste.
That huge pill went down very easily.
A literal use regarding physical ease.
Le passage à la douane s'est fait comme une lettre à la poste.
Going through customs was completely effortless.
Reflects a lack of stress in a typically stressful situation.
Test Yourself
Complete the sentence with the correct form of the idiom.
J'avais peur que le patron refuse mon idée, mais finalement, c'est ______ comme une lettre à la poste.
The subject is 'c'' (impersonal), so the past participle remains masculine singular.
Which situation best fits the idiom 'passer comme une lettre à la poste'?
Situation selection:
The idiom is used when something (like an excuse or a lie) is accepted without resistance.
Complete the dialogue with the most natural response.
A: 'Tu as réussi à installer ce logiciel complexe ?' B: 'Oui, ______.'
This is the standard way to say a technical task went smoothly.
Match the register to the sentence.
Match: 1. Slang, 2. Neutral, 3. Formal
'Crème' is slang, the 'lettre' idiom is neutral, and 'sans aucune difficulté' is formal.
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercisesJ'avais peur que le patron refuse mon idée, mais finalement, c'est ______ comme une lettre à la poste.
The subject is 'c'' (impersonal), so the past participle remains masculine singular.
Situation selection:
The idiom is used when something (like an excuse or a lie) is accepted without resistance.
A: 'Tu as réussi à installer ce logiciel complexe ?' B: 'Oui, ______.'
This is the standard way to say a technical task went smoothly.
Match: 1. Slang, 2. Neutral, 3. Formal
'Crème' is slang, the 'lettre' idiom is neutral, and 'sans aucune difficulté' is formal.
🎉 Score: /4
Frequently Asked Questions
10 questionsYes, it is acceptable in a semi-formal or internal professional email to describe a project's success, but avoid it in very formal legal documents.
It is strictly 'à la poste'. 'En poste' means to be currently employed in a specific job position.
Almost, but 'piece of cake' (c'est du gâteau) focuses on the task being easy to do, while 'lettre à la poste' focuses on it being accepted or completed without resistance.
Only if the person is 'passing' through a filter or selection process, like an audition. 'Il est passé comme une lettre à la poste' means he was accepted instantly.
Not at all. While it has 19th-century roots, it is used daily by French speakers of all ages.
Historically, letters were the primary and most reliable form of mail. Packages (colis) were much more likely to be delayed or damaged.
Yes. 'Ce n'est pas passé comme une lettre à la poste' is a common way to say that something was surprisingly difficult.
Translating it literally as 'to pass like a letter' and forgetting the 'at the post office' part, or using 'dans' instead of 'à'.
Sometimes people just say 'C'est passé tout seul', which is a bit more generic.
Indirectly, yes, because things without resistance tend to go faster, but the primary meaning is the lack of obstacles.
Related Phrases
passer crème
synonymTo go smoothly (slang)
comme dans du beurre
similarLike through butter
lettre morte
contrastA dead letter / ignored rule
c'est du gâteau
similarIt's a piece of cake
