What do you call broken french?

"Broken French" is already a term used to describe French spoken with grammatical errors or a limited vocabulary, often by non-native speakers.

If you're looking for a more formal term, you could use:

* Incomplete French: Emphasizes the lack of fluency.

* Limited French: Highlights the restricted vocabulary and grammar.

* Basic French: Refers to the fundamental knowledge of the language.

* Interlanguage: A technical term used in linguistics to describe the language system of a second language learner.

Ultimately, the best term depends on the context and the specific level of French being described.