The word "un lettered" refers to someone who is illiterate, uneducated, or lacking in knowledge. Antonyms for this word would include "educated," "literate," "knowledgeable," "learned," "informed," and "enlightened." An educated person has received formal education and has learned skills and knowledge in a particular field of study. Literate people can read and write fluently, while knowledgeable individuals have a broad understanding of various topics. Learned individuals have extensive knowledge or experience in a specific subject, and informed and enlightened individuals are well-informed and have a deep understanding of current events and social issues. These antonyms reflect the opposite of "un lettered" in terms of intelligence, wisdom, and knowledge.