- to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- to perform better or achieve more than expected, especially by others.
Origin of overachieve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (intr) to perform (for example, in examinations) better than would be expected on the basis of one's age or talents
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for over-achiever
Online Etymology Dictionary, © 2010 Douglas Harper