Unpretended is a word that implies authenticity and sincerity, so its antonyms typically suggest the opposite. Some of the most common antonyms for the word "unpretended" include insincere, artificial, fake, phony, feigned, self-conscious, and affected. Each of these words points to a lack of authenticity or genuineness. Insincere suggests that someone is not truly expressing what they feel or believe, while artificial and fake imply that someone is trying to ingratiate themselves or deceive others. Phony, feigned, self-conscious, and affected all suggest a level of performance or concealment that characterizes insincerity. Overall, the antonyms of "unpretended" highlight the importance of authenticity and honesty in one's actions and interactions with others.