How to Say Yes in French: Oui, Ouais, Si and Everything Between
Yes in French is oui - but French also has si (yes to a negative question), ouais, carrément and d'accord. Learn which yes fits every situation.
Yes in French is oui, pronounced /wee/. Casually, French people say ouais (yeah). To accept an offer politely, use volontiers (gladly). And after a negative question, French switches to si: - Tu ne viens pas ? - Si ! (- You’re not coming? - Yes, I am!).
Quick answer
Yes in French is oui, pronounced /wee/. Casually, French people say ouais (yeah). To accept an offer politely, use volontiers (gladly). And after a negative question, French switches to si: - Tu ne viens pas ? - Si ! (- You’re not coming? - Yes, I am!).
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Oui: the standard yes
/wee/ - one clean syllable, usable everywhere. It combines naturally: oui, merci, oui, bien sûr. For emphasis, French reaches for mais oui ! (why yes!) or bien sûr (of course).
Si: the yes English doesn’t have
This is the section worth remembering above all others. After a negative question or statement, “yes” is si, not oui:
- - Tu ne viens pas ? - Si ! (You’re not coming? - Yes I am!)
- - Tu n’aimes pas le café ? - Si, j’adore. (You don’t like coffee? - Yes I do, I love it.)
Oui genuinely fails here - answering a negative question with oui reads as ambiguous or even agreeing with the negative. Si exists specifically to contradict.
This is exactly the kind of trap covered in common French mistakes English speakers make.
Casual yeses: ouais, ouaip, mouais
| Word | Pronunciation | Vibe |
|---|---|---|
| ouais | /weh/ | yeah - very common informal |
| ouaip | /wehp/ | yep |
| mouais | /mweh/ | unconvinced “yeah…” |
Fine with friends, best avoided in formal replies - see formal vs informal French for the fuller register map.
Enthusiastic and polite yeses
Volontiers /voh-lohn-TYAY/ (gladly) is the very French way to accept an offer - - Un café ? - Volontiers ! Also useful: avec plaisir (with pleasure), carrément /kah-ray-MAHN/ (totally, casual), tout à fait (exactly/quite), absolument, évidemment (obviously) and plain bien sûr.
Yes-adjacent: agreeing and confirming
| Phrase | Pronunciation | Meaning |
|---|---|---|
| d’accord | /dah-KOR/ | okay / agreed |
| ça marche | /sah MARSH/ | that works - casual |
| c’est parti | /seh par-TEE/ | let’s go |
| pourquoi pas | /poor-kwah PAH/ | why not |
Quick recap
- Normal question → oui
- Negative question → si
- Friend, casual → ouais
- Accepting an offer → volontiers / avec plaisir
Get si into muscle memory first - it’s the one rule here that genuinely has no English equivalent, and it’s the fastest way to sound like you actually think in French rather than translate into it.
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Questions about this note
What does si mean in French?
Yes - but only used to contradict a negative question or statement.
Is ouais rude?
Not rude, just informal - like "yeah"; best avoided in formal settings.
What does mouais mean?
A skeptical "yeah…" signaling doubt rather than full agreement.
How do you say "yes of course" in French?
oui, bien sûr; for more emphasis, évidemment or absolument.
What's the difference between d'accord and oui?
oui answers a question directly; d'accord agrees to a proposal or plan (okay/agreed).