illiterate

(noun) a person unable to read. Synonyms: illiterate person, nonreader.

(adj) not able to read or write. Synonyms: illiterate (vs. literate).

(adj) uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field. Synonyms: ignorant. Examples: "She is ignorant of quantum mechanics." "He is musically illiterate."

(adj) lacking culture, especially in language and literature. Synonyms: illiterate (vs. literate).