whizz-kid
The manager gambled on playing the wonderkid and it paid off.
The teenage wonderkid did not live up to his billing as the brightest young player in the game.
The product of a famous film-making dynasty, the 14-year-old director is a wonderkid if ever there was one.
The Spanish wonder-kid helped Arsenal come back from a goal down to beat Chelsea.

SMART Vocabulary: related words and phrases

Experts and specialists
academician
artist
authority
boffin
child prodigy
doyenne
know something inside outidiom
lapidary
Latin Americanist
literati
maven
Renaissance man
savant
semiotician
skilled
smart money
whizz
wizard
wonder
wunderkind

You can also find related words, phrases, and synonyms in the topics:

Successful (things or people)