French · People & Family
"Sister-in-law" in French: belle-sœur
la belle-sœur
Sister-in-law in French is la belle-sœur, feminine. Ma belle-sœur is my sister-in-law. Beau-frère is brother-in-law.
Family lunch
Ma belle-sœur apporte une salade.Speak with an AI partner · 7 days free
How to pronounce belle-sœur
Say it
bell-SUR
/bɛl.sœʁ/
bell-SUR. Belle like bell. Sœur is like sur with rounded lips.
"Sister-in-law" in French: quick reference
| French | English | When to use |
|---|---|---|
| la belle-sœur | sister-in-law / stepsister In-law by default in marriage talk. | In-law by default in marriage talk. |
| ma belle-sœur | my sister-in-law Possessive. | Possessive. |
| mes belles-sœurs | my sisters-in-law Plural. | Plural. |
| chez ma belle-sœur | at my sister-in-law's Visiting. | Visiting. |
How to use belle-sœur in real life
- 1Family lunch
Ma belle-sœur apporte une salade.
My sister-in-law is bringing a salad.
Ma belle-sœur.
- 2Shopping
Je sors avec ma belle-sœur cet après-midi.
I'm going out with my sister-in-law this afternoon.
Avec ma belle-sœur.
- 3Introducing
Je te présente ma belle-sœur, Léa.
This is my sister-in-law, Léa.
Je te présente.
Mistakes English speakers make with belle-sœur
Incorrect: Mon belle-sœur arrive.
Correct: Ma belle-sœur arrive.
Belle-sœur is feminine: ma.
Incorrect: Ma sister-in-law appelle.
Correct: Ma belle-sœur appelle.
Use belle-sœur.
Good to know
Belle-sœur covers your sibling's wife and your spouse's sister. Spelling keeps œ in sœur. Demi-sœur is half-sister.
Try it in a ChatPal conversation
Planning a baby shower gift
ChatPal
Ta belle-sœur a déjà une poussette ?
Does your sister-in-law already have a stroller?
You
Oui. Ma belle-sœur préfère des livres.
Yes. My sister-in-law prefers books.
ChatPal
Alors on offre ça à ta belle-sœur.
Then we'll give that to your sister-in-law.
You
Parfait. Je commande ce soir.
Perfect. I'll order tonight.
This is a sample. In ChatPal you have this conversation out loud and get feedback on what you say.
Practice this conversation in ChatPal"Sister-in-law" in other languages
FAQ
Common questions about "Sister-in-law" in French
How do I say sister-in-law?
La belle-sœur.
How do I say my sister-in-law?
Ma belle-sœur.
What is beau-frère?
Brother-in-law.
How do you pronounce belle-sœur?
Bell-SUR.
Learn a word, then use it out loud
- Step 1: See it in context
- Step 2: Say it out loud
- Step 3: Get feedback
- Step 4: Use it in real scenarios
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