Whats another word for CUL DE SAC?

Here are some other words for cul-de-sac, depending on the context:

Formal:

* Dead end

* Close

* Court

* Loop

Informal:

* Dead-end street

* No-through road

* Pocket

* Circle

You could also use a more descriptive phrase like a street with no outlet or a street that ends in a circle.

The best word to use will depend on the specific context and desired tone.