French guides · French words explained
Oui: yes — and the other yes.
Oui means “yes”, and it is pronounced simply “wee” — one syllable, no o sound at all despite the spelling. That much is easy. What almost no beginner course mentions is that French has a second word for yes, kept in reserve for one specific job: contradicting someone who has just asked you a negative question.
How the spelling works
Oui looks like three vowels and sounds like one syllable. The ou makes a “w” glide and the i supplies the vowel: “wee”. There is no “oo-ee”, and definitely no “oh-you-eye”.
| French | Say it | Register |
|---|---|---|
| oui | wee | yes — standard, works everywhere |
| ouais | weh | yeah — casual, very common in speech |
| mais oui | meh WEE | “why yes”, “of course” — mildly emphatic |
| bien sûr | byan SEWR | of course — the polite emphatic yes |
| tout à fait | too tah FEH | absolutely / exactly — confident agreement |
| volontiers | vo-lohn-TYAY | gladly — yes to an offer |
| d’accord | dah-KOR | OK / agreed — yes to a plan |
Roughly where “yeah” sits in English. Fine with friends and completely normal in everyday speech; reach for oui in an interview, at a counter, or with anyone you address as vous.
Si — the yes that argues back
When a question or statement is negative, French will not let you answer with oui. You need si. English has no equivalent, which is why it stays invisible to learners for years.
| They say | You mean | You say |
|---|---|---|
| Tu viens ? (Are you coming?) | Yes | Oui. |
| Tu ne viens pas ? (Aren’t you coming?) | Yes, I am | Si ! |
| Tu n’aimes pas ça ? (You don’t like it?) | Yes, I do | Si, j’adore. |
| Il n’est pas prêt. (He isn’t ready.) | Yes he is | Si, il est prêt. |
It leaves the listener genuinely unsure which way you meant it — the same ambiguity English has with “Yes” to “You don’t mind?”. Si removes all doubt: it means “no, you’re wrong, and here is the positive version”.
Do not confuse this si with the other one meaning “if” (si tu veux, “if you want”). Same spelling, entirely different job — context makes it obvious.
Oui oui, and why it makes English speakers smile
Doubling it — oui oui — is perfectly normal French for a slightly impatient or reassuring “yes, yes”. It is not the comedy phrase English speakers hear; it is just emphasis, or mild “yes, I know”.
It is also, in France, the name of Enid Blyton’s Noddy: Oui-Oui. Generations of French children grew up with him, which is why the phrase carries a faint nursery echo there rather than an accent joke.
If you were looking for something else
“OUI” is also a technical acronym: the Organizationally Unique Identifier, the first three bytes of a MAC address that identify the hardware manufacturer. If you arrived here from a network lookup, that is a different OUI entirely.
It is likewise a yogurt brand, a perfume, and part of the French rail booking service’s name (SNCF Connect, formerly OUI.sncf). The French word is unrelated to all of them beyond the borrowing.
Hear it, then say it
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Quick answers
Oui, answered.
Saying yes — casually, formally, and contradictingly.