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Verb: underperform  'ún-du(r)-pu(r),form
  1. Perform less well or with less success than expected
    "My stocks underperformed last year";
    - underachieve
  2. (performing arts) perform too rarely
    "Her plays are underperformed, although they are very good"

Derived forms: underperformed, underperforming, underperforms

Type of: do, perform