From Longman Dictionary of Contemporary Englishwunderkindwun‧der‧kind /ˈwʌndəkɪnd $ -ər-/ noun [countable] SUCCESSFULa young person who is very successful → child prodigy
Examples from the Corpus
wunderkind• Counterbalancing this ascetic wunderkind is his brother, Charles Solomon.• Born in Buenos Aires, he was proclaimed a musical wunderkind when he made his concert debut as a pianist at seven.• In May 1973, when I met him, George Lucas was an unappreciated wunderkind.Origin wunderkind (1800-1900) German “wonder-child” 