Adjective

1. Pertaining to the language and culture of a group of islands off the coast of the Carolinas and Georgia in the United States.

   The music of George Gershwin’s Porgie and Bess was inspired in part by Gullah "shouts".

Proper noun

1. A creole of English and various African languages spoken on a group of islands off the southern coast of the United States.

   Gullah has been spoken continuously since before the Civil War.