Unsophisticate, which means lacking refinement or cultural awareness, is an adjective that has several antonyms. To describe someone who is sophisticated, cultured or refined, words such as polished, refined and cosmopolitan can be used. A person who is worldly or urbane is someone who has traveled extensively, understands different cultures, and demonstrates cultural awareness. An educational antonym for unsophisticated is erudite, which means one who has acquired advanced knowledge through academic or literary pursuits. Finally, the term cultivated is an antonym that suggests a person has acquired knowledge and skills through education, travel, or other enriching experiences. Overall, the antonyms for unsophisticate describe individuals who are knowledgeable, experienced, and culturally refined.