Illiterate (adjective)

1. Unable to read or write.
2. Lacking knowledge or education in a particular field or subject.

Origin:

The word "illiterate" is derived from the latin word "ille" meaning not and "literate" meaning able to read and write. it is used to describe someone who is unable to read or write.

Examples:

1. The majority of the population was illiterate, unable to read or write.
2. The job required basic reading and writing skills, but he was illiterate.
3. The society was illiterate, and the majority of the population was uneducated.
4. He was illiterate in computers and had to take a course to learn.
5. She was illiterate in mathematics and needed help with her homework.