What is your sister loud in french?

"Your sister is loud" in French can be translated in a few ways, depending on the level of formality and the context:

Formal:

* Votre sœur est bruyante. (Most common and neutral)

* Votre sœur fait beaucoup de bruit. (More specific, meaning she makes a lot of noise)

Informal:

* Ta sœur est bruyante. (If you're talking to someone who knows your sister well)

* Ta sœur fait un sacré bruit. (More informal and emphasizes the loudness)

Idioms:

* Ta sœur a une voix qui porte. (Literally "Your sister has a voice that carries," meaning she's loud and her voice is easily heard)

* Ta sœur est une vraie pipelette. (Literally "Your sister is a real chatterbox," implying she talks a lot and is often loud)

The best translation depends on the specific situation and the relationship between the speaker and the listener.