Search Result for "underperformer": 
Wordnet 3.0

NOUN (2)

1. a student who does not perform as well as expected or as well as the IQ indicates;
[syn: underachiever, underperformer, nonachiever]

2. a business that is less successful than expected; 



WordNet (r) 3.0 (2006):

underperformer
    n 1: a student who does not perform as well as expected or as
         well as the IQ indicates [syn: underachiever,
         underperformer, nonachiever]
    2: a business that is less successful than expected