overachiever


over·achiev·er

noun \ˌō-və-rə-ˈchē-vər\

Definition of OVERACHIEVER

: one who achieves success over and above the standard or expected level especially at an early age
over·achieve intransitive verb, over·achieved over·achiev·ing

Seen & Heard

What made you want to look up overachiever? Please tell us where you read or heard it (including the quote, if possible).