wunderkind
Definitions
A person who achieves great success or acclaim at an unusually young age.
A child prodigy.
Examples
The young pianist was hailed as a wunderkind after her flawless performance at the international competition.
Despite being a wunderkind in the tech industry, he struggled to adapt to the demands of managing a large team.
Synonyms
prodigy child genius whiz kid phenomenon boy wonder gifted youth