How do you say are strange in french?

There are several ways to say "are strange" in French, depending on the context and the level of formality. Here are a few options:

Formal:

* sont étranges (most direct translation)

* sont bizarres (more common)

* sont singuliers (more literary, meaning unique or peculiar)

Informal:

* sont bizarres (also used informally)

* sont chelou(es) (slang, very informal)

* sont bizarres (more common in informal situations)

Example sentences:

* Ces animaux sont étranges. (These animals are strange.)

* Ses idées sont bizarres. (His ideas are strange.)

* Ils sont chelou(es). (They are strange.)

The best choice depends on the situation and your relationship with the person you are speaking to.