illiterate

(adjective) to not be able to read or write in a specific language. Used loosely, it can describe someone who is just an incredibly sloppy speller.
Synonyms for illiterate
On this page, you will find 30 slang terms related to illiterate. Some of the top words include: Friek, Tard, Dumbass, Gayass, lisp, and 25 more.