un•der•a•chieve
Pronunciation: (un"dur-u-chēv'), [key]
— -a•chieved, -a•chiev•ing.
- to perform, esp. academically, below the potential indicated by tests of one's mental ability or aptitude.
- to perform below expectations or achieve less than expected, esp. by others.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.