What are the opposite words for literacy?

The word "literacy" generally implies the ability to read and write proficiently. However, there are a variety of antonyms that refer to the opposite or absence of this skill. On one end of the spectrum, we have "illiteracy," which indicates a lack of basic reading and writing skills. Further along this range, there are words like "ignorance," "incompetence," and "inability," which describe a broader inability to comprehend or communicate effectively. Other antonyms for "literacy" include "dyslexia," "aphasia," and "analphabetism," which refer to specific learning disorders or challenges that affect language and communication skills.