She didn't want anyone to know that she was illiterate.
She is politically illiterate and has never voted in an election.
He's illiterate when it comes to computers.
Constantine is listed in the 1870 census as illiterate; 10 years later, he had learned to read and write. And when, in 1906, the local “colored school” was slated for destruction, Constantine arranged to save it by having it moved to this property. —Henry Louis Gates, Jr., Wall Street Journal, 1 Feb. 2006
Martin is not illiterate but I think close to it. I never saw him read a newspaper, for instance. —Hayden Carruth, Reluctantly, 1998
In a time when nearly everyone was illiterate, before newspapers, radio, and television, how could the religious and iconographic detail of these apparitions have been so similar? —Carl Sagan, The Demon-Haunted World, 1996