illiterate
This term carries a heavy social weight, often shifting between a neutral description of educational status and a derogatory critique of intellectual or technical competence. When describing a person's inability to read, it is a factual statement, but when applied to writing, it suggests a lack of sophistication or a failure to adhere to grammatical standards. In modern usage, the word is frequently paired with specific domains to describe a lack of proficiency in non-linguistic systems. For example, computer illiteracy or financial illiteracy refers to a functional gap in knowledge rather than a literal inability to read text.
Meanings
Unable to read or write in any language.
"Many adults in the remote village remained illiterate due to a lack of schools."
Lacking knowledge or competence in a particular specialized field or subject.
"The manager was technically illiterate and could not operate the new software."