underachievement

Definition of Underachievement in English :

1. underachievement

poorer than expected performance (poorer than might have been predicted from intelligence tests)

WordNet Lexical Database for English. Princeton University. 2010.

Underachievement

verb

(intransitive)

to fail to achieve a performance appropriate to one's age or talents

verb intransitiveWord forms: ˌunderaˈchieved or ˌunderaˈchieving

1.

to fail to do as well in school studies as might be expected from scores made on intelligence tests

2.

to perform below expectations

intr.v. un·der·a·chieved, un·der·a·chiev·ing, un·der·a·chieves

To perform worse or achieve less success than expected.