Individuals unable to read or write.
People lacking basic literacy skills.
Those without reading and writing abilities.
Persons who cannot understand written language.
Adults untrained in reading and writing techniques.
Lacking reading and writing skills.
Pertaining to individuals unable to read or write.
Describing a society with high illiteracy rates.
Related to educational deficiencies in literacy acquisition.
Characterizing materials inaccessible due to language barriers.