| underperformed | |
| underperform | |
| underperformer | |
| underperforming | |
| underperformance |
| underperform | (v) perform too rarely, Example: Her plays are underperformed, although they are very good |
| underperformer | (n) a business that is less successful than expected |
| underachieve | (v) perform less well or with less success than expected, Syn. underperform, Example: John consistently underachieves, although he is very able; My stocks underperformed last year |
| underachiever | (n) a student who does not perform as well as expected or as well as the IQ indicates, Syn. nonachiever, underperformer |
